Chem-Impex International

1-Bromo-4,4,4-trifluorobutane

Purity:

≥ 99%

Synonym:

4,4,4-Trifluoro-1-bromobutane

Catalog Number:

46559

CAS Number:

406-81-5

Purity Limit:

≥ 99%

MDL NO:

MFCD00066335

Molecular Formula:

C₄H₆BrF₃

Molecular Weight:

190.99

SDS
Dimethyl (3,3-difluoro-2-oxoheptyl)phosphonate

Purity:

≥ 99%

Synonym:

(3,3-Difluoro-2-oxoheptyl)phosphonic acid dimethyl ester

Catalog Number:

46558

CAS Number:

50889-46-8

Purity Limit:

≥ 99%

MDL NO:

MFCD11707108

Molecular Formula:

C₉H₁₇F₂O₄P

Molecular Weight:

258.2

SDS
(1R,8S,9s)-Bicyclo[6.1.0]non-4-yn-9-ylmethyl succinimidyl carbonate

Purity:

≥ 98% (HPLC)

Synonym:

[(1R,8S,9s)-Bicyclo[6.1.0]non-4-yn-9-yl]methyl (2,5-Dioxopyrrolidin-1-yl) carbonate

Catalog Number:

46556

CAS Number:

1426827-79-3

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD22417203

Molecular Formula:

C₁₅H₁₇NO₅

Molecular Weight:

291.3

Specification Sheet SDS
Boc-Sec(Mob)

Purity:

≥ 99.5% (Chiral purity)

Synonym:

Boc-L-Sec(pMeOBzl)-OH

Catalog Number:

46555

CAS Number:

959415-39-5

Purity Limit:

≥ 99.5% (Chiral purity)

Molecular Formula:

C₁₆H₂₃NO₅Se

Molecular Weight:

388.3

SDS
Fmoc-D-α-aminoadipic acid δ-tert-butyl ester

Purity:

≥ 99% (Chiral HPLC)

Synonym:

Fmoc-D-Aad(OtBu)-OH

Catalog Number:

46557

Purity Limit:

≥ 99% (Chiral HPLC)

Molecular Formula:

C₂₅H₂₉NO₆

Molecular Weight:

439.5

Specification Sheet SDS
Silver nanopowder (~100 nm)

Hazmat

Purity:

≥ 99.9% (Trace metals basis)

Hazmat

Catalog Number:

46536

CAS Number:

7440-22-4

Purity Limit:

≥ 99.9% (Trace metals basis)

Molecular Formula:

Ag

Molecular Weight:

107.87

Specification Sheet SDS
Aluminum nanopowder (100-130 nm)

Hazmat

Purity:

≥ 99.7% (Trace metals basis)

Hazmat

Catalog Number:

46547

CAS Number:

7429-90-5

Purity Limit:

≥ 99.7% (Trace metals basis)

Molecular Formula:

Al

Molecular Weight:

26.98

Specification Sheet SDS
Silver nanopowder self-dispersing 25% (15 nm)

Hazmat

Purity:

≥ 99.9% (Trace metals basis)

Hazmat

Catalog Number:

46543

CAS Number:

7440-22-4

Purity Limit:

≥ 99.9% (Trace metals basis)

Molecular Formula:

Ag

Molecular Weight:

107.87

Specification Sheet SDS
Aluminum powder (1-2 micron)

Hazmat

Purity:

≥ 97% (Trace metals basis)

Hazmat

Catalog Number:

46548

CAS Number:

7429-90-5

Purity Limit:

≥ 97% (Trace metals basis)

Molecular Formula:

Al

Molecular Weight:

26.98

Specification Sheet SDS
Gold nanopowder (20 nm)

Hazmat

Purity:

≥ 99.9% (Trace metals basis)

Hazmat

Catalog Number:

46551

CAS Number:

7440-57-5

Purity Limit:

≥ 99.9% (Trace metals basis)

Molecular Formula:

Au

Molecular Weight:

196.97

Specification Sheet
Aluminum nanopowder (60~80 nm)

Hazmat

Purity:

≥ 99.7% (Trace metals basis)

Hazmat

Catalog Number:

46546

CAS Number:

7429-90-5

Purity Limit:

≥ 99.7% (Trace metals basis)

Molecular Formula:

Al

Molecular Weight:

26.98

Specification Sheet SDS
Silver nanopowder, oleic acid coated (30-50 nm)

Hazmat

Purity:

≥ 99.9% (Trace metals basis)

Hazmat

Catalog Number:

46540

CAS Number:

7440-22-4

Purity Limit:

≥ 99.9% (Trace metals basis)

Molecular Formula:

Ag

Molecular Weight:

107.87

Specification Sheet SDS
Aluminum nanopowder (40~60 nm)

Hazmat

Purity:

≥ 99.9% (Trace metals basis)

Hazmat

Catalog Number:

46545

CAS Number:

7429-90-5

Purity Limit:

≥ 99.9% (Trace metals basis)

Molecular Formula:

Al

Molecular Weight:

26.98

Specification Sheet SDS
Gold nanopowder (30 - 60 nm)

Hazmat

Purity:

≥ 99.99% (Trace metals basis)

Hazmat

Catalog Number:

46550

CAS Number:

7440-57-5

Purity Limit:

≥ 99.99% (Trace metals basis)

Molecular Formula:

Au

Molecular Weight:

196.97

Specification Sheet
Silver nanowires immersed in ethanol, 1g/25ml (40±10nm dia, ≥ 20 micron length)

Hazmat

Hazmat

Catalog Number:

46544

CAS Number:

7440-22-4

Molecular Formula:

Ag

Molecular Weight:

107.87

Specification Sheet SDS
Silver nanopowder (500~800 nm)

Hazmat

Purity:

≥ 99.9% (Trace metals basis)

Hazmat

Catalog Number:

46542

CAS Number:

7440-22-4

Purity Limit:

≥ 99.9% (Trace metals basis)

Molecular Formula:

Ag

Molecular Weight:

107.87

Specification Sheet SDS
Silver nanopowder (200-400 nm)

Hazmat

Purity:

≥ 99.9% (Trace metals basis)

Hazmat

Catalog Number:

46541

CAS Number:

7440-22-4

Purity Limit:

≥ 99.9% (Trace metals basis)

Molecular Formula:

Ag

Molecular Weight:

107.87

Specification Sheet SDS
Silver nanopowder (50-60 nm)

Hazmat

Purity:

≥ 99.9% (Trace metals basis)

Hazmat

Catalog Number:

46539

CAS Number:

7440-22-4

Purity Limit:

≥ 99.9% (Trace metals basis)

Molecular Formula:

Ag

Molecular Weight:

107.87

Specification Sheet SDS
Silver nanopowder (20~30 nm)

Hazmat

Purity:

≥ 99.95% (Trace metals basis)

Hazmat

Catalog Number:

46537

CAS Number:

7440-22-4

Purity Limit:

≥ 99.95% (Trace metals basis)

Molecular Formula:

Ag

Molecular Weight:

107.87

Specification Sheet SDS
Silver nanopowder (20~30 nm)

Hazmat

Purity:

≥ 99.95% (Trace metals basis)

Hazmat

Catalog Number:

46538

CAS Number:

7440-22-4

Purity Limit:

≥ 99.95% (Trace metals basis)

Molecular Formula:

Ag

Molecular Weight:

107.87

Specification Sheet SDS
Tetrabutylammonium phosphate monobasic

Purity:

≥ 97% (Assay)

Synonym:

Tetrabutylammonium dihydrogen phosphate

Catalog Number:

46533

CAS Number:

5574-97-0

Purity Limit:

≥ 97% (Assay)

MDL NO:

MFCD00064526

Molecular Formula:

C₁₆H₃₆N·H₂O₄P

Molecular Weight:

339.45

SDS
Withaferin A

Purity:

≥ 98% (HPLC)

Synonym:

5,6-Epoxy-4,27-dihydroxy-1-oxowitha-2,24-dienolide

Catalog Number:

46530

CAS Number:

5119-48-2

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD10687098

Molecular Formula:

C₂₈H₃₈O₆

Molecular Weight:

470.6

Specification Sheet SDS
D-pyroglutamic acid amide

Purity:

≥ 97% (NMR)

Synonym:

D-Pyro-Glu-Amide

Catalog Number:

46528

CAS Number:

118929-65-0

Purity Limit:

≥ 97% (NMR)

Molecular Formula:

C₅H₈N₂O₂

Molecular Weight:

128.1

Specification Sheet SDS
(S)-(-)-Carvedilol

Hazmat

Purity:

≥ 99% (Chiral HPLC, HPLC)

Synonym:

(-)-1-(9H-Carbazol-4-yloxy)-3-[[2-(2-methoxyphenoxy)ethyl]amino]-2-propanol

Hazmat

Catalog Number:

46529

CAS Number:

95094-00-1

Purity Limit:

≥ 99% (Chiral HPLC, HPLC)

MDL NO:

MFCD00869664

Molecular Formula:

C₂₄H₂₆N₂O₄

Molecular Weight:

406.5

Specification Sheet SDS
Stannous chloride dihydrate

Hazmat

Grade:

Meets USP specification

Purity:

98 - 102% (Assay by titration)

Synonym:

Tin(II) chloride dihydrate

Hazmat

Catalog Number:

46527

Grade:

Meets USP specification

CAS Number:

10025-69-1

Purity Limit:

98 - 102% (Assay by titration)

MDL NO:

MFCD00149863

Molecular Formula:

SnCl₂·2H₂O

Molecular Weight:

225.63

Specification Sheet SDS
Sodium methanethiolate solution (21 wt % in water)

Hazmat

Purity:

≥ 21% (Assay)

Synonym:

Methyl mercaptan sodium salt

Hazmat

Catalog Number:

46526

CAS Number:

5188-07-8

Purity Limit:

≥ 21% (Assay)

MDL NO:

MFCD00174316

Molecular Formula:

CH₃NaS

Molecular Weight:

70.09

Specification Sheet SDS
Carboxymethyldextran sodium salt (Mw.=ca. 20,000)

Synonym:

CM-Dextran sodium salt

Catalog Number:

46515

CAS Number:

39422-83-8

MDL NO:

MFCD00146477

Molecular Weight:

0.0

Specification Sheet SDS
Ammonium formate 50% solution purified

Purity:

≥ 50% (Assay)

Synonym:

Formic acid, ammonium salt 50% solution purified

Catalog Number:

46524

CAS Number:

540-69-2

Purity Limit:

≥ 50% (Assay)

MDL NO:

MFCD00013103

Molecular Formula:

CH₆NO₂

Molecular Weight:

63.06

SDS
Ammonium citrate dibasic

Hazmat

Purity:

≥ 96%

Synonym:

Citric acid ammonium salt dibasic

Hazmat

Catalog Number:

46525

CAS Number:

3012-65-5

Purity Limit:

≥ 96%

MDL NO:

MFCD00013068

Molecular Formula:

NH₄₂HC₆H₅O₇

Molecular Weight:

226.2

SDS
Carboxymethyldextran sodium salt (Mw.=ca. 70,000)

Synonym:

CM-Dextran sodium salt

Catalog Number:

46516

CAS Number:

39422-83-8

MDL NO:

MFCD00146477

Molecular Weight:

0.0

Specification Sheet SDS
N^α-Fmoc-N^ε-Boc-L-lysine-2-chlorotrityl resin

Synonym:

Fmoc-L-Lys(Boc)-2-chlorotrityl resin

Catalog Number:

46520

Molecular Weight:

0.0

SDS
DNP-EDA·HCl

Purity:

≥ 99% (HPLC)

Catalog Number:

46522

Purity Limit:

≥ 99% (HPLC)

Molecular Formula:

C₈H₁₁N₄O₄Cl

Molecular Weight:

262.5

Specification Sheet SDS
Fmoc-N-Me-EDA(N'-Me)·HCl

Purity:

≥ 97% (HPLC)

Catalog Number:

46523

CAS Number:

496946-83-9

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD30723357

Molecular Formula:

C₁₉H₂₃ClN₂O₂

Molecular Weight:

346.86

Specification Sheet SDS
Methyl 5-methylnicotinate

Purity:

≥ 97% (NMR)

Synonym:

Methyl 5-methylpyridine-3-carboxylate

Catalog Number:

46521

CAS Number:

29681-45-6

Purity Limit:

≥ 97% (NMR)

MDL NO:

MFCD01075739

Molecular Formula:

C₈H₉NO₂

Molecular Weight:

151.16

Specification Sheet SDS
2-Fluorophenyl isothiocyanate

Hazmat

Purity:

≥ 97% (GC)

Synonym:

Isothiocyanic acid 2-fluorophenyl ester

Hazmat

Catalog Number:

46501

CAS Number:

38985-64-7

Purity Limit:

≥ 97% (GC)

MDL NO:

MFCD00004800

Molecular Formula:

C₇H₄FNS

Molecular Weight:

153.17

Specification Sheet SDS
2-(Trifluoromethyl)phenyl isothiocyanate

Hazmat

Purity:

≥ 98% (GC)

Synonym:

Isothiocyanic acid 2-(trifluoromethyl)phenyl ester

Hazmat

Catalog Number:

46505

CAS Number:

1743-86-8

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00039644

Molecular Formula:

C₈H₄F₃NS

Molecular Weight:

203.18

Specification Sheet SDS
(DHQD)₂PHAL

Purity:

≥ 99% (HPLC)

Synonym:

Hydroquinidine 1,4-phthalazinediyl diether

Catalog Number:

46519

CAS Number:

140853-10-7

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00198107

Molecular Formula:

C₄₈H₅₄N₆O₄

Molecular Weight:

778.98

Specification Sheet SDS
N^α-Acetyl-N^ω-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-L-arginine

Purity:

≥ 99.5% (Chiral HPLC)

Synonym:

Ac-L-Arg(Pbf)-OH

Catalog Number:

46512

Purity Limit:

≥ 99.5% (Chiral HPLC)

Molecular Formula:

C₂₁H₃₂N₄O₆S

Molecular Weight:

466.53

Specification Sheet SDS
1,3-Bis[4-(trifluoromethyl)phenyl]thiourea

Purity:

≥ 97% (HPLC)

Catalog Number:

46508

CAS Number:

1744-07-6

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD18191886

Molecular Formula:

C₁₅H₁₀F₆N₂S

Molecular Weight:

364.31

Specification Sheet SDS
2,2,3,3,3-Pentafluoropropyl p-toluenesulfonate

Purity:

≥ 98% (GC)

Synonym:

p-Toluenesulfonic acid 2,2,3,3,3-pentafluoropropyl ester

Catalog Number:

46509

CAS Number:

565-42-4

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD02093346

Molecular Formula:

C₁₀H₉F₅O₃S

Molecular Weight:

304.23

Specification Sheet SDS
Carboxymethyldextran sodium salt (Mw.=ca. 4000)

Synonym:

CM-Dextran sodium salt

Catalog Number:

46514

CAS Number:

39422-83-8

MDL NO:

MFCD00146477

Molecular Weight:

0.0

Specification Sheet SDS
Potassium 1,1,2,2,3,3-hexafluoropropane-1,3-disulfonimide

Purity:

≥ 98% (Assay by titration)

Synonym:

4,4,5,5,6,6-Hexafluoroperhydro-1,3,2-dithiazine 1,1,3,3-tetraoxide potassium salt

Catalog Number:

46490

CAS Number:

588668-97-7

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD06797108

Molecular Formula:

C₃F₆KNO₄S₂

Molecular Weight:

331.24

Specification Sheet SDS
Acetyl-L-cysteine, from Non-animal source

Grade:

Japanese Standards of Quasi-drug Ingredients

Purity:

≥ 98% (Assay)

Synonym:

Ac-L-Cys-OH

Catalog Number:

46513

Grade:

Japanese Standards of Quasi-drug Ingredients

CAS Number:

616-91-1

Purity Limit:

≥ 98% (Assay)

MDL NO:

MFCD00004880

Molecular Formula:

C₅H₉NO₃S

Molecular Weight:

163.2

Specification Sheet SDS
1,1,2,2,3,3-Hexafluoropropane-1,3-disulfonimide

Hazmat

Purity:

≥ 98% (Assay by titration)

Synonym:

4,4,5,5,6,6-Hexafluoroperhydro-1,3,2-dithiazine 1,1,3,3-tetraoxide

Hazmat

Catalog Number:

46489

CAS Number:

84246-29-7

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD06200806

Molecular Formula:

C₃HF₆NO₄S₂

Molecular Weight:

293.15

Specification Sheet SDS
4-(Trifluoromethyl)thiobenzamide

Hazmat

Purity:

≥ 98% (HPLC)

Hazmat

Catalog Number:

46497

CAS Number:

72505-21-6

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00051806

Molecular Formula:

C₈H₆F₃NS

Molecular Weight:

205.2

Specification Sheet SDS
4-Fluorophenyl chlorothionoformate

Hazmat

Purity:

≥ 98% (Assay by titration)

Synonym:

Chlorothioformic acid O-(4-fluorophenyl) ester

Hazmat

Catalog Number:

46496

CAS Number:

42908-73-6

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD00134402

Molecular Formula:

C₇H₄ClFOS

Molecular Weight:

190.62

Specification Sheet SDS
2,4-Difluorophenyl isothiocyanate

Hazmat

Purity:

≥ 98% (GC)

Synonym:

Isothiocyanic acid 2,4-difluorophenyl ester

Hazmat

Catalog Number:

46499

CAS Number:

141106-52-7

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00041044

Molecular Formula:

C₇H₃F₂NS

Molecular Weight:

171.16

Specification Sheet SDS
Pentafluorobenzyl p-toluenesulfonate [Derivatizing Reagent for GC of Inorganic Anions]

Purity:

≥ 98% (Assay by titration)

Synonym:

PFB - Tosylate

Catalog Number:

46511

CAS Number:

32974-36-0

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD06248628

Molecular Formula:

C₁₄H₉F₅O₃S

Molecular Weight:

352.28

Specification Sheet SDS
2-Fluoroethyl p-toluenesulfonate

Purity:

≥ 98% (GC)

Synonym:

p-Toluenesulfonic acid 2-fluoroethyl ester

Catalog Number:

46510

CAS Number:

383-50-6

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD01658061

Molecular Formula:

C₉H₁₁FO₃S

Molecular Weight:

218.24

Specification Sheet SDS
1,3-Bis[3,5-bis(trifluoromethyl)phenyl]thiourea

Purity:

≥ 98% (N)

Catalog Number:

46507

CAS Number:

1060-92-0

Purity Limit:

≥ 98% (N)

MDL NO:

MFCD00829878

Molecular Formula:

C₁₇H₈F₁₂N₂S

Molecular Weight:

500.31

Specification Sheet SDS

Your cart

Products

About Us

Support

Choose options