Cysteine [Cys] Amino Acids & Derivatives

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R-Fmoc-2-amino-3-(3-tert-butoxycarbonyl-propylsulfanyl)propionic acid

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-L-Cys(tert-butoxycarbonylpropyl)-OH

Catalog Number:

29323

CAS Number:

102971-73-3

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD11226818

Molecular Formula:

C₂₆H₃₁NO₆S

Molecular Weight:

485.6

Specification Sheet SDS
DL-Penicillamine

Purity:

≥ 99% (HPLC)

Synonym:

DL-Pen-OH

Catalog Number:

21824

CAS Number:

52-66-4

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00004856

Molecular Formula:

C₅H₁₁NO₂S

Molecular Weight:

149.21

Specification Sheet SDS
L-Cysteic acid monohydrate

Purity:

≥ 99% (Assay)

Synonym:

(R)-2-Amino-3-sulfopropionic acid

Catalog Number:

21698

CAS Number:

23537-25-9

Purity Limit:

≥ 99% (Assay)

MDL NO:

MFCD00149544

Molecular Formula:

C₃H₇NO₅S·H₂O

Molecular Weight:

187.17

Specification Sheet SDS
DL-Cysteine

Purity:

≥ 97% (Assay)

Synonym:

DL-2-Amino-3-mercaptopropionic acid

Catalog Number:

21654

CAS Number:

3374-22-9

Purity Limit:

≥ 97% (Assay)

MDL NO:

MFCD00004881

Molecular Formula:

C₃H₇NO₂S

Molecular Weight:

121.16

Specification Sheet SDS
DL-Cystein hydrochloride hydrate

Synonym:

DL-Cys-OH·HCl·H2O

Catalog Number:

21624

CAS Number:

116797-51-4

MDL NO:

MFCD00151030

Molecular Formula:

C₃H₇NO₂S·HCl·H₂O

Molecular Weight:

175.64

SDS
DL-Cysteine hydrochloride

Synonym:

DL-2-Amino-3-mercaptopropionic acid hydrochloride

Catalog Number:

21500

CAS Number:

10318-18-0

MDL NO:

MFCD00064552

Molecular Formula:

C₃H₇NO₂S·HCl

Molecular Weight:

157.62

SDS
Fmoc-D-cysteine hydrate

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-D-Cys-OH·H2O

Catalog Number:

16183

CAS Number:

157355-80-1

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD18253022

Molecular Formula:

C₁₈H₁₇NO₄S·H₂O

Molecular Weight:

361.5

Specification Sheet SDS
Boc-D-cysteine

Purity:

≥ 99% (Assay by titration)

Synonym:

Boc-D-Cys-OH

Catalog Number:

16133

CAS Number:

149270-12-2

Purity Limit:

≥ 99% (Assay by titration)

MDL NO:

MFCD05663721

Molecular Formula:

C₈H₁₅NO₄S

Molecular Weight:

221.3

Specification Sheet SDS
Fmoc-S-allyloxycarbonylamidomethyl-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-L-Cys(Allocam)-OH

Catalog Number:

14440

CAS Number:

232953-09-2

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00273447

Molecular Formula:

C₂₃H₂₄N₂O₆S

Molecular Weight:

456.51

Specification Sheet SDS
Boc-S-allyloxy-amidomethyl-L-cysteine dicyclohexylamine salt

Purity:

≥ 98% (HPLC)

Synonym:

Boc-L-Cys(Allocam)-OH·DCHA

Catalog Number:

14439

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00273400

Molecular Formula:

C₁₃H₂₂N₂O₆S

Molecular Weight:

334.39

Specification Sheet SDS
S-9-Fluorenylmethyl-L-cysteine tert-butyl ester hydrochloride

Purity:

≥ 98% (HPLC)

Synonym:

L-Cys(Fm)-OtBu·HCl

Catalog Number:

14331

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD08458522

Molecular Formula:

C₂₁H₂₅NO₂S·HCl

Molecular Weight:

391.9

Specification Sheet SDS
Fmoc-L-cysteine hydrate

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-L-Cys-OH·H2O

Catalog Number:

14009

CAS Number:

135248-89-4

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD13184915

Molecular Formula:

C₁₈H₁₇NO₄S·H₂O

Molecular Weight:

361.4

Specification Sheet SDS
L-Cysteine methyl ester hydrochloride

Purity:

≥ 98% (Assay)

Synonym:

L-Cys-OMe·HCl

Catalog Number:

12007

CAS Number:

18598-63-5

Purity Limit:

≥ 98% (Assay)

MDL NO:

MFCD00038985

Molecular Formula:

C₄H₉NO₂S·HCl

Molecular Weight:

171.68

Specification Sheet SDS
Fmoc-S-xanthyl-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-L-Cys(Xan)-OH

Catalog Number:

11958

CAS Number:

186829-25-4

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD01862337

Molecular Formula:

C₃₁H₂₅NO₅S

Molecular Weight:

523.58

Specification Sheet SDS
Fmoc-S-acetamidomethyl-L-cysteine N-hydroxysuccinimide ester

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-L-Cys(Acm)-OSu

Catalog Number:

11956

CAS Number:

182410-75-9

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD01076143

Molecular Formula:

C₂₅H₂₅N₃O₇S

Molecular Weight:

511.54

Specification Sheet SDS
Boc-S-tert-butyl-L-cysteine dicyclohexylammonium salt

Purity:

≥ 98% (HPLC)

Synonym:

Boc-S-tert-butyl-L-cysteine dicyclohexylammonium salt

Catalog Number:

11594

CAS Number:

60143-30-8

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD09039285

Molecular Formula:

C₁₂H₂₃NO₄S·C₁₂H₂₃N

Molecular Weight:

458.71

Specification Sheet SDS
Fmoc-S-Boc-3-aminopropyl-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-L-Cys(Boc-3-aminopropyl)-OH

Catalog Number:

07053

CAS Number:

173963-91-2

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD01318742

Molecular Formula:

C₂₆H₃₂N₂O₆S

Molecular Weight:

500.62

Specification Sheet SDS
Acetyl-S-farnesyl-L-cysteine

Purity:

≥ 99% (TLC)

Synonym:

Ac-L-Cys(Farnesyl)-OH

Catalog Number:

06995

CAS Number:

135304-07-3

Purity Limit:

≥ 99% (TLC)

MDL NO:

MFCD00871540

Molecular Formula:

C₂₀H₃₃NO₃S

Molecular Weight:

367.55

Specification Sheet SDS
S-tert-Butyl-D-cysteine hydrochloride

Purity:

≥ 98% (HPLC)

Synonym:

D-Cys(tBu)-OH·HCl

Catalog Number:

05951

CAS Number:

200353-65-7

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00135154

Molecular Formula:

C₇H₁₅NO₂S·HCl

Molecular Weight:

213.7

Specification Sheet SDS
S-4-Methylbenzyl-D-cysteine

Purity:

≥ 99% (HPLC)

Synonym:

D-Cys(pMeBzl)-OH

Catalog Number:

05949

CAS Number:

127348-02-1

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00236945

Molecular Formula:

C₁₁H₁₅NO₂S

Molecular Weight:

225.3

Specification Sheet SDS
S-Trityl-D-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

D-Cys(Trt)-OH

Catalog Number:

05952

CAS Number:

25840-82-8

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00236948

Molecular Formula:

C₂₂H₂₁NO₂S

Molecular Weight:

363.5

Specification Sheet SDS
S-4-Methoxybenzyl-D-cysteine

Purity:

≥ 97% (HPLC)

Synonym:

D-Cys(pMeOBzl)-OH

Catalog Number:

05950

CAS Number:

58290-34-9

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00236946

Molecular Formula:

C₁₁H₁₅NO₃S

Molecular Weight:

241.3

Specification Sheet SDS
S-Benzyl-L-cysteine 4-nitroanilide

Purity:

≥ 98% (TLC)

Synonym:

L-Cys(Bzl)-pNA

Catalog Number:

05915

CAS Number:

7436-62-6

Purity Limit:

≥ 98% (TLC)

MDL NO:

MFCD00007302

Molecular Formula:

C₁₆H₁₇N₃O₃S

Molecular Weight:

331.43

Specification Sheet SDS
S-Benzyl-L-cysteine ethyl ester hydrochloride

Purity:

≥ 99% (TLC)

Synonym:

L-Cys(Bzl)-OEt·HCl

Catalog Number:

05914

CAS Number:

52844-67-4

Purity Limit:

≥ 99% (TLC)

MDL NO:

MFCD00038909

Molecular Formula:

C₁₂H₁₇NO₂S·HCl

Molecular Weight:

275.8

Specification Sheet SDS
S-Benzyl-L-cysteine β-naphthylamide

Purity:

99%

Synonym:

L-Cys(Bzl)-βNA

Catalog Number:

05916

CAS Number:

7436-63-7

Purity Limit:

99%

MDL NO:

MFCD00021595

Molecular Formula:

C₂₀H₂₀N₂OS

Molecular Weight:

336.45

Specification Sheet SDS
S-9-Fluorenylmethyl-L-cysteine hydrochloride

Purity:

≥ 99% (TLC)

Synonym:

L-Cys(Fm)-OH·HCl

Catalog Number:

05918

CAS Number:

84888-34-6

Purity Limit:

≥ 99% (TLC)

MDL NO:

MFCD00236944

Molecular Formula:

C₁₇H₁₇NO₂S·HCl

Molecular Weight:

335.88

Specification Sheet SDS
S-Trityl-L-cysteine amide

Purity:

≥ 98% (HPLC)

Synonym:

L-Cys(Trt)-NH2

Catalog Number:

05920

CAS Number:

166737-85-5

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD22126061

Molecular Formula:

C₂₂H₂₂N₂OS

Molecular Weight:

362.5

Specification Sheet SDS
S-Diphenylmethyl-L-cysteine

Purity:

≥ 99% (TLC)

Synonym:

L-Cys(Dpm)-OH

Catalog Number:

05917

CAS Number:

5191-80-0

Purity Limit:

≥ 99% (TLC)

MDL NO:

MFCD00065211

Molecular Formula:

C₁₆H₁₇NO₂S

Molecular Weight:

287.38

Specification Sheet SDS
S-Benzyl-L-cysteine benzyl ester 4-toluenesulfonate salt

Purity:

≥ 99% (TLC)

Synonym:

L-Cys(Bzl)-OBzl·TosOH

Catalog Number:

05913

CAS Number:

73995-16-1

Purity Limit:

≥ 99% (TLC)

MDL NO:

MFCD00038984

Molecular Formula:

C₁₇H₁₉NO₂S·C₇H₈O₃S

Molecular Weight:

473.59

Specification Sheet SDS
Fmoc-S-tert-butyl-D-cysteine

Purity:

≥ 97% (HPLC)

Synonym:

Fmoc-D-Cys(tBu)-OH

Catalog Number:

05696

CAS Number:

131766-22-8

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00077052

Molecular Formula:

C₂₂H₂₅NO₄S

Molecular Weight:

399.5

Specification Sheet SDS
Fmoc-S-2-hydroxyethyl-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-L-Cys(2-hydroxyethyl)-OH

Catalog Number:

05682

CAS Number:

200354-35-4

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00672330

Molecular Formula:

C₂₀H₂₁NO₅S

Molecular Weight:

387.46

Specification Sheet SDS
Fmoc-S-4-methylbenzyl-D-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-D-Cys(pMeBzl)-OH

Catalog Number:

05693

CAS Number:

200354-41-2

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00237013

Molecular Formula:

C₂₆H₂₅NO₄S

Molecular Weight:

447.6

Specification Sheet SDS
Boc-S-ethyl-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Boc-L-Cys(Et)-OH

Catalog Number:

05466

CAS Number:

16947-82-3

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00076919

Molecular Formula:

C₁₀H₁₉NO₄S

Molecular Weight:

249.3

Specification Sheet SDS
Boc-S-4-methoxybenzyl-D-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Boc-D-Cys(pMeOBzl)-OH

Catalog Number:

05483

CAS Number:

58290-35-0

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00076922

Molecular Formula:

C₁₆H₂₃NO₅S

Molecular Weight:

341.4

Specification Sheet SDS
Boc-S-Z-aminoethyl-L-cysteine

Purity:

≥ 99% (TLC)

Synonym:

Boc-L-Cys(Z-NHEt)-OH

Catalog Number:

05469

CAS Number:

85003-76-5

Purity Limit:

≥ 99% (TLC)

MDL NO:

MFCD00236840

Molecular Formula:

C₁₈H₂₆N₂O₆S

Molecular Weight:

398.48

Specification Sheet SDS
Boc-S-methyl-L-cysteine

Purity:

≥ 97%

Synonym:

Boc-L-Cys(Me)-OH

Catalog Number:

05468

CAS Number:

16947-80-1

Purity Limit:

≥ 97%

MDL NO:

MFCD00076923

Molecular Formula:

C₉H₁₇NO₄S

Molecular Weight:

235.7

Specification Sheet SDS
Boc-S-9-fluorenylmethyl-L-cysteine

Purity:

≥ 99% (HPLC)

Synonym:

Boc-L-Cys(Fm)-OH

Catalog Number:

05467

CAS Number:

84888-35-7

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00076921

Molecular Formula:

C₂₂H₂₅NO₄S

Molecular Weight:

399.51

Specification Sheet SDS
Boc-S-3,4-dimethylbenzyl-L-cysteine

Purity:

≥ 98% (TLC)

Synonym:

Boc-L-Cys(3,4-dimethylBzl)-OH

Catalog Number:

05465

CAS Number:

41117-66-2

Purity Limit:

≥ 98% (TLC)

MDL NO:

MFCD00060743

Molecular Formula:

C₁₇H₂₅NO₄S

Molecular Weight:

339.46

Specification Sheet SDS
N,S-di-Z-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Z-L-Cys(Z)-OH

Catalog Number:

05386

CAS Number:

57912-35-3

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00037823

Molecular Formula:

C₁₉H₁₉NO₆S

Molecular Weight:

389.4

Specification Sheet SDS
Boc-S-acetamidomethyl-D-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Boc-D-Cys(Acm)-OH

Catalog Number:

05352

CAS Number:

138775-00-5

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00076917

Molecular Formula:

C₁₁H₂₀N₂O₅S

Molecular Weight:

292.3

Specification Sheet SDS
Boc-S-benzyl-D-cysteine

Purity:

≥ 99% (HPLC)

Synonym:

Boc-D-Cys(Bzl)-OH

Catalog Number:

05298

CAS Number:

102830-49-9

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00038253

Molecular Formula:

C₁₅H₂₁NO₄S

Molecular Weight:

311.4

Specification Sheet SDS
Boc-S-tert-butyl-L-cysteine

Purity:

≥ 99% (HPLC)

Synonym:

Boc-L-Cys(tBu)-OH

Catalog Number:

05296

CAS Number:

56976-06-8

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00076918

Molecular Formula:

C₁₂H₂₃NO₄S

Molecular Weight:

277.4

Specification Sheet SDS
S-Acetamidomethyl-D-cysteine hydrochloride

Purity:

≥ 98%

Synonym:

S-Acetamidomethyl-D-cysteine hydrochloride

Catalog Number:

04425

CAS Number:

200352-41-6

Purity Limit:

≥ 98%

MDL NO:

MFCD00043380

Molecular Formula:

C₆H₁₂N₂O₃S·HCl

Molecular Weight:

228.7

Specification Sheet SDS
Palmitoyl-S-[2,3-bis(palmitoyloxy)-(2RS-propyl]-L-cysteine

Purity:

≥ 98% (TLC)

Synonym:

Pam-L-Cys[(2,3-bis-PamO)Pr]-OH

Catalog Number:

04423

CAS Number:

70512-46-8

Purity Limit:

≥ 98% (TLC)

MDL NO:

MFCD00153468

Molecular Formula:

C₅₄H₁₀₃NO₇S

Molecular Weight:

910.5

Specification Sheet SDS
Acetyl-S-trityl-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Ac-L-Cys(Trt)-OH

Catalog Number:

04346

CAS Number:

27486-87-9

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00236747

Molecular Formula:

C₂₄H₂₃NO₃S

Molecular Weight:

405.52

Specification Sheet SDS
Boc-S-benzyl-L-cysteine N-hydroxysuccinimide ester

Purity:

≥ 98% (HPLC)

Synonym:

Boc-L-Cys(Bzl)-OSu

Catalog Number:

03969

CAS Number:

85097-54-7

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00190786

Molecular Formula:

C₁₉H₂₄N₂O₆S

Molecular Weight:

408.47

Specification Sheet SDS
Boc-S-4-methylbenzyl-D-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Boc-D-Cys(pMeBzl)-OH

Catalog Number:

03971

CAS Number:

61925-78-8

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00076924

Molecular Formula:

C₁₆H₂₃NO₄S

Molecular Weight:

325.4

Specification Sheet SDS
Boc-S-4-methylbenzyl-L-cysteine N-hydroxysuccinimide ester

Purity:

≥ 98% (HPLC)

Synonym:

Boc-L-Cys(pMeBzl)-OSu

Catalog Number:

03970

CAS Number:

140842-91-7

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00236833

Molecular Formula:

C₂₀H₂₆N₂O₆S

Molecular Weight:

422.5

Specification Sheet SDS
Boc-S-acetamidomethyl-L-cysteine 4-nitrophenyl ester

Purity:

≥ 98% (Assay)

Synonym:

Boc-L-Cys(Acm)-ONp

Catalog Number:

03966

CAS Number:

58651-76-6

Purity Limit:

≥ 98% (Assay)

MDL NO:

MFCD00236831

Molecular Formula:

C₁₇H₂₃N₃O₇S

Molecular Weight:

413.45

Specification Sheet SDS
Fmoc-S-3-nitro-2-pyridine-sulfenyl-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-L-Cys(Npys)-OH

Catalog Number:

03770

CAS Number:

159700-51-3

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00065638

Molecular Formula:

C₂₄H₂₁N²O₄S₂

Molecular Weight:

497.54

Specification Sheet SDS

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