Aminoácidos inusuales | Chem-Impex International – Página 20

About

Ácido 2-(4-Boc-piperazinil)-2-(4-fluorofenil)acético

Synonym:

Ácido α-(4-Boc-piperazinil)-α-(4-fluorofenil)acético

Catalog Number:

16065

CAS Number:

868151-70-6

MDL NO:

MFCD01862498

Molecular Formula:

_C17H23FN2O4

Molecular Weight:

338.38

SDS
Ácido Boc-(±)- trans -4-(4-piridinil)pirrolidin-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(4-piridinil)-OH

Catalog Number:

16055

CAS Number:

959579-54-5

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD04115134

Molecular Formula:

_C15H20N2O4

Molecular Weight:

292.33

Specification Sheet SDS
Clorhidrato de ácido ±) -trans -4-isopropilpirrolidina-3-carboxílico

Purity:

≥ 98% (RMN)

Synonym:

trans- DL-β-Pro-4-(isopropil)-OH·HCl

Catalog Number:

16062

CAS Number:

1330750-36-1

Purity Limit:

≥ 98% (RMN)

MDL NO:

MFCD06659329

Molecular Formula:

_C8H15NO2 _· _HCl

Molecular Weight:

193.67

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(6-metoxi-3-piridinil)pirrolidin-3-carboxílico

Purity:

≥ 99 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(6-metoxi-3-piridinil)-OH

Catalog Number:

16053

CAS Number:

1392213-90-9

Purity Limit:

≥ 99 % (HPLC)

MDL NO:

MFCD06659321

Molecular Formula:

_C16H22N2O5

Molecular Weight:

322.36

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(3-piridinil)pirrolidin-3-carboxílico

Purity:

≥ 99 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(3-piridinil)-OH

Catalog Number:

16051

CAS Number:

1212132-10-9

Purity Limit:

≥ 99 % (HPLC)

MDL NO:

MFCD06659319

Molecular Formula:

_C15H20N2O4

Molecular Weight:

292.33

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(2-tienil)pirrolidina-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(2-tienil)-OH

Catalog Number:

16057

CAS Number:

959581-75-0

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659324

Molecular Formula:

_C14H19NO4S

Molecular Weight:

297.37

Specification Sheet SDS
Clorhidrato del ácido ±) -trans -4-(2-cianofenil)pirrolidina-3-carboxílico

Purity:

≥ 98 % (TLC)

Synonym:

trans- DL-β-Pro-4-(2-cianofenil)-OH·HCl

Catalog Number:

16025

CAS Number:

1049734-84-0

Purity Limit:

≥ 98 % (TLC)

MDL NO:

MFCD06659293

Molecular Formula:

_C12H12N2O2 _· _HCl

Molecular Weight:

252.7

Specification Sheet SDS
Dihidrocloruro de ácido ±) -trans -4-(2-piridinil)pirrolidina-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

trans -DL-β-Pro-4-(2-piridinil)-OH·2HCl

Catalog Number:

16049

CAS Number:

1049739-70-9

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659316

Molecular Formula:

_C10H12N2O2 _· _2HCl

Molecular Weight:

265.14

Specification Sheet SDS
Dihidrocloruro de ácido ±) -trans -4-(3-piridinil)pirrolidin-3-carboxílico

Purity:

≥ 99 % (HPLC)

Synonym:

trans -DL-β-Pro-4-(3-piridinil)-OH·2HCl

Catalog Number:

16050

CAS Number:

1049739-96-9

Purity Limit:

≥ 99 % (HPLC)

MDL NO:

MFCD06659318

Molecular Formula:

_{C10H14Cl2N2O2}

Molecular Weight:

265.14

Specification Sheet SDS
Clorhidrato del ácido ±) -trans -4-(3-hidroxifenil)pirrolidina-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

trans- DL-β-Pro-4-(3-hidroxifenil)-OH·HCl

Catalog Number:

16039

CAS Number:

1392213-98-7

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659306

Molecular Formula:

_C11H13NO3 _· _HCl

Molecular Weight:

243.69

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(3-cianofenil)pirrolidina-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(3-cianofenil)-OH

Catalog Number:

16028

CAS Number:

1161787-87-6

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659296

Molecular Formula:

_C17H20N2O4

Molecular Weight:

316.36

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(3,4-dimetoxifenil)pirrolidin-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(3,4-dimetoxifenil)-OH

Catalog Number:

16046

CAS Number:

959580-91-7

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659313

Molecular Formula:

C ₁₈ H ₂₅ N º ₆

Molecular Weight:

351.4

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(4-metoxifenil)pirrolidina-3-carboxílico

Purity:

≥ 95 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(4-metoxifenil)-OH

Catalog Number:

16036

CAS Number:

1000415-75-7

Purity Limit:

≥ 95 % (HPLC)

MDL NO:

MFCD02089476

Molecular Formula:

_C17H23Nº5

Molecular Weight:

321.37

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(4-hidroxifenil)pirrolidin-3-carboxílico

Purity:

≥ 96 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(4-hidroxifenil)-OH

Catalog Number:

16042

CAS Number:

959574-90-4

Purity Limit:

≥ 96 % (HPLC)

MDL NO:

MFCD06659309

Molecular Formula:

_C16H21Nº ₅

Molecular Weight:

307.35

Specification Sheet SDS
Clorhidrato de ácido ±) -trans -4-(3-metoxifenil)pirrolidina-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

trans- DL-β-Pro-4-(3-metoxifenil)-OH·HCl

Catalog Number:

16033

CAS Number:

1392208-60-4

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659301

Molecular Formula:

_C12H15NO3 _· _HCl

Molecular Weight:

257.72

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(3-metoxifenil)pirrolidina-3-carboxílico

Purity:

≥ 96 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(3-metoxifenil)-OH

Catalog Number:

16034

CAS Number:

1217740-96-9

Purity Limit:

≥ 96 % (HPLC)

MDL NO:

MFCD06659302

Molecular Formula:

_C17H23Nº5

Molecular Weight:

321.37

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(4-trifluorometilfenil)pirrolidin-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(4-trifluorometilfenil)-OH

Catalog Number:

16024

CAS Number:

955137-85-6

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD02089478

Molecular Formula:

_C17H20F3NO4

Molecular Weight:

359.34

Specification Sheet SDS
Clorhidrato del ácido ±) -trans -4-(4-hidroxifenil)pirrolidina-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

trans- DL-β-Pro-4-(4-hidroxifenil)-OH·HCl

Catalog Number:

16041

CAS Number:

1392211-71-0

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659308

Molecular Formula:

_C11H13NO3 _· _HCl

Molecular Weight:

243.69

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(2-hidroxifenil)pirrolidin-3-carboxílico

Purity:

≥ 96 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(2-hidroxifenil)-OH

Catalog Number:

16038

CAS Number:

1392212-25-7

Purity Limit:

≥ 96 % (HPLC)

MDL NO:

MFCD06659305

Molecular Formula:

_C16H21Nº ₅

Molecular Weight:

307.35

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(2-metoxifenil)pirrolidin-3-carboxílico

Purity:

≥ 99 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(2-metoxifenil)-OH

Catalog Number:

16032

CAS Number:

1217689-78-5

Purity Limit:

≥ 99 % (HPLC)

MDL NO:

MFCD06659300

Molecular Formula:

_C17H23Nº5

Molecular Weight:

321.37

Specification Sheet SDS
Clorhidrato de ácido ±) -trans -4-(2-metoxifenil)pirrolidina-3-carboxílico

Purity:

≥ 98% (RMN)

Synonym:

trans- DL-β-Pro-4-(2-metoxifenil)-OH·HCl

Catalog Number:

16031

CAS Number:

1330750-51-0

Purity Limit:

≥ 98% (RMN)

MDL NO:

MFCD06659299

Molecular Formula:

_C12H15NO3 _· _HCl

Molecular Weight:

257.72

Specification Sheet SDS
Clorhidrato del ácido ±) -trans -4-(2-hidroxifenil)pirrolidina-3-carboxílico

Purity:

≥ 98 % (TLC)

Synonym:

trans- DL-β-Pro-4-(2-hidroxifenil)-OH·HCl

Catalog Number:

16037

CAS Number:

1392213-92-1

Purity Limit:

≥ 98 % (TLC)

MDL NO:

MFCD06659304

Molecular Formula:

_C11H13NO3 _· _HCl

Molecular Weight:

243.69

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(2-cianofenil)pirrolidina-3-carboxílico

Synonym:

Boc- trans -DL-β-Pro-4-(2-cianofenil)-OH

Catalog Number:

16026

CAS Number:

1161787-84-3

MDL NO:

MFCD06659294

Molecular Formula:

_C17H20N2O4

Molecular Weight:

316.36

SDS
Ácido Boc-(±)- trans -4-(4-cianofenil)pirrolidin-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(4-cianofenil)-OH

Catalog Number:

16030

CAS Number:

1217702-50-5

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659298

Molecular Formula:

_C17H20N2O4

Molecular Weight:

316.36

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(2-trifluorometilfenil)pirrolidin-3-carboxílico

Purity:

≥ 95%

Synonym:

Boc- trans -DL-β-Pro-4-(2-trifluorometilfenil)-OH

Catalog Number:

16021

CAS Number:

1381947-36-9

Purity Limit:

≥ 95%

MDL NO:

MFCD06659289

Molecular Formula:

_C17H20F3NO4

Molecular Weight:

359.34

Specification Sheet SDS
Clorhidrato del ácido ±) -trans -4-(4-trifluorometilfenil)pirrolidin-3-carboxílico

Purity:

≥ 99 % (HPLC)

Synonym:

trans- DL-β-Pro-4-(4-trifluorometilfenil)-OH·HCl

Catalog Number:

16023

CAS Number:

1049978-66-6

Purity Limit:

≥ 99 % (HPLC)

MDL NO:

MFCD06659292

Molecular Formula:

_{C12H13ClF3NO2}

Molecular Weight:

295.69

Specification Sheet SDS
Clorhidrato de ácido ±) -trans -4-(4-metoxifenil)pirrolidina-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

trans- DL-β-Pro-4-(4-metoxifenil)-OH·HCl

Catalog Number:

16035

CAS Number:

1049978-93-9

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659303

Molecular Formula:

_C12H15NO3 _· _HCl

Molecular Weight:

257.72

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(4-nitrofenil)pirrolidin-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(4-nitrofenil)-OH

Catalog Number:

16011

CAS Number:

959579-94-3

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659279

Molecular Formula:

_C16H20N2O6

Molecular Weight:

336.34

Specification Sheet SDS
Clorhidrato de ácido ±) -trans -4-(2-naftil)pirrolidin-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

trans- DL-β-Pro-4-(2-naftil)-OH·HCl

Catalog Number:

16014

CAS Number:

1049734-17-9

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659282

Molecular Formula:

_C15H15NO2 _· _HCl

Molecular Weight:

277.75

Specification Sheet SDS
Clorhidrato del ácido ±) -trans -4-(4-cianofenil)pirrolidina-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

trans- DL-β-Pro-4-(4-cianofenil)-OH·HCl

Catalog Number:

16029

CAS Number:

1049735-02-5

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659297

Molecular Formula:

_C12H12N2O2 _· _HCl

Molecular Weight:

252.7

Specification Sheet SDS
Clorhidrato del ácido ±) -trans -4-(3-cianofenil)pirrolidina-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

trans- DL-β-Pro-4-(3-cianofenil)-OH·HCl

Catalog Number:

16027

CAS Number:

1049734-95-3

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659295

Molecular Formula:

_C12H12N2O2 _· _HCl

Molecular Weight:

252.7

Specification Sheet SDS
Clorhidrato del ácido ±) -trans -4-(3-trifluorometilfenil)pirrolidin-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

trans- DL-β-Pro-4-(3-trifluorometilfenil)-OH·HCl

Catalog Number:

16022

CAS Number:

1049978-65-5

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659290

Molecular Formula:

_C12H12F3NO2 _· _HCl

Molecular Weight:

295.69

Specification Sheet SDS
Clorhidrato de ácido ±) -trans -4-(1-naftil)pirrolidin-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

trans- DL-β-Pro-4-(1-naftil)-OH·HCl

Catalog Number:

16012

CAS Number:

1049734-07-7

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659280

Molecular Formula:

_C15H15NO2 _· _HCl

Molecular Weight:

277.75

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(2,3-diclorofenil)pirrolidin-3-carboxílico

Purity:

≥ 96 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(2,3-diclorofenil)-OH

Catalog Number:

16019

CAS Number:

959583-07-4

Purity Limit:

≥ 96 % (HPLC)

MDL NO:

MFCD06659287

Molecular Formula:

_C16H19Cl2NO4

Molecular Weight:

360.24

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(3-nitrofenil)pirrolidin-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(3-nitrofenil)-OH

Catalog Number:

16009

CAS Number:

959577-50-5

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659277

Molecular Formula:

_C16H20N2O6

Molecular Weight:

336.34

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(2,5-diclorofenil)pirrolidin-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(2,5-diclorofenil)-OH

Catalog Number:

16017

CAS Number:

1820572-00-6

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659285

Molecular Formula:

_C16H19Cl2NO4

Molecular Weight:

360.24

Specification Sheet SDS
Clorhidrato de ácido (±)- trans -4-(2,3-diclorofenil)pirrolidin-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

trans- DL-β-Pro-4-(2,3-diclorofenil)-OH·HCl

Catalog Number:

16018

CAS Number:

1392210-64-8

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659286

Molecular Formula:

_C11H12Cl3NO2

Molecular Weight:

296.58

Specification Sheet SDS
Clorhidrato de ácido ±) -trans -4-(2,5-diclorofenil)pirrolidin-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

trans- DL-β-Pro-4-(2,5-diclorofenil)-OH·HCl

Catalog Number:

16016

CAS Number:

1049734-30-6

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06804652

Molecular Formula:

_C11H12Cl3NO2

Molecular Weight:

296.58

Specification Sheet SDS
Clorhidrato del ácido ±) -trans -4-(3-fluorofenil)pirrolidin-3-carboxílico

Purity:

≥ 99 % (HPLC)

Synonym:

trans- DL-β-Pro-4-(3-fluorofenil)-OH·HCl

Catalog Number:

15985

CAS Number:

1284227-02-6

Purity Limit:

≥ 99 % (HPLC)

MDL NO:

MFCD06659257

Molecular Formula:

_C11H12FNO2 _· _HCl

Molecular Weight:

245.68

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(2-naftil)pirrolidin-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(2-naftil)-OH

Catalog Number:

16015

CAS Number:

959583-04-1

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659283

Molecular Formula:

_C20H23NO4

Molecular Weight:

341.41

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(3-metilfenil)pirrolidin-3-carboxílico

Purity:

≥ 99 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(3-metilfenil)-OH

Catalog Number:

16003

CAS Number:

1255933-98-2, 959583-16-5

Purity Limit:

≥ 99 % (HPLC)

MDL NO:

MFCD06659271

Molecular Formula:

_C17H23NO4

Molecular Weight:

305.37

Specification Sheet SDS
Ácido Boc-(±)- trans -4-(1-naftil)pirrolidin-3-carboxílico

Purity:

≥ 99 % (HPLC)

Synonym:

Boc- trans -DL-β-Pro-4-(1-naftil)-OH

Catalog Number:

16013

CAS Number:

959577-47-0

Purity Limit:

≥ 99 % (HPLC)

MDL NO:

MFCD06659281

Molecular Formula:

_C20H23NO4

Molecular Weight:

341.41

Specification Sheet SDS
Clorhidrato del ácido ±) -trans -4-(4-bromofenil)pirrolidin-3-carboxílico

Synonym:

trans- DL-β-Pro-4-(4-bromofenil)-OH·HCl

Catalog Number:

15998

CAS Number:

1217832-47-7

MDL NO:

MFCD07363504

Molecular Formula:

_C11H12BrNO2 _· _HCl

Molecular Weight:

306.59

SDS
Ácido Boc-(±)- trans -4-(2-nitrofenil)pirrolidin-3-carboxílico

Synonym:

Boc- trans -DL-β-Pro-4-(2-nitrofenil)-OH

Catalog Number:

16007

CAS Number:

959577-51-6

MDL NO:

MFCD06659275

Molecular Formula:

_C16H20N2O6

Molecular Weight:

336.34

SDS
Clorhidrato de ácido ±) -trans -4-(4-nitrofenil)pirrolidin-3-carboxílico

Synonym:

trans- DL-β-Pro-4-(4-nitrofenil)-OH·HCl

Catalog Number:

16010

CAS Number:

1049734-02-2

MDL NO:

MFCD06659278

Molecular Formula:

_C11H12N2O4 _· _HCl

Molecular Weight:

272.69

SDS
Clorhidrato de ácido ±) -trans -4-(2-metilfenil)pirrolidina-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

trans- DL-β-Pro-4-(2-metilfenil)-OH·HCl

Catalog Number:

16000

CAS Number:

1047651-73-9

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659268

Molecular Formula:

_C12H15NO2 _· _HCl

Molecular Weight:

241.72

Specification Sheet SDS
Clorhidrato del ácido ±) -trans -4-(3-metilfenil)pirrolidina-3-carboxílico

Purity:

≥ 98 % (TLC)

Synonym:

trans- DL-β-Pro-4-(3-metilfenil)-OH·HCl

Catalog Number:

16002

CAS Number:

1049976-06-8

Purity Limit:

≥ 98 % (TLC)

MDL NO:

MFCD06659270

Molecular Formula:

_C12H15NO2 _· _HCl

Molecular Weight:

241.72

Specification Sheet SDS
Clorhidrato de ácido ±) -trans -4-(4-metilfenil)pirrolidina-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

trans- DL-β-Pro-4-(4-metilfenil)-OH·HCl

Catalog Number:

16004

CAS Number:

959577-53-8

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659272

Molecular Formula:

_C12H15NO2 _· _HCl

Molecular Weight:

241.72

Specification Sheet SDS
Clorhidrato del ácido ±) -trans -4-(3-bromofenil)pirrolidin-3-carboxílico

Purity:

≥ 98 % (HPLC)

Synonym:

trans- DL-β-Pro-4-(3-bromofenil)-OH·HCl

Catalog Number:

15996

CAS Number:

1423037-48-2

Purity Limit:

≥ 98 % (HPLC)

MDL NO:

MFCD06659266

Molecular Formula:

_C11H12BrNO2 _· _HCl

Molecular Weight:

306.59

Specification Sheet SDS
Clorhidrato de ácido ±) -trans -4-(4-clorofenil)pirrolidin-3-carboxílico

Purity:

≥ 98% (RMN)

Synonym:

trans- DL-β-Pro-4-(4-clorofenil)-OH·HCl

Catalog Number:

15992

CAS Number:

1047651-82-0

Purity Limit:

≥ 98% (RMN)

MDL NO:

MFCD06659263

Molecular Formula:

_C11H13Cl2NO2

Molecular Weight:

262.14

Specification Sheet SDS

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