Skip to Content
MilliporeSigma
Search Within
Product Category
Brand
Color
Feature
Formula Weight
Manufacturer
Melting Point (°C)
Physical Form
Product Line
Purity
Agency
Format
Chemical Composition
Quality Segment
Functional Group
Application
Markush Class
Markush Group
Microorganism Suitability
Optical Isomer
Amino Acid
Reaction Type
Reference Material Type
Special Grade
Technique
Available for Sale

L-Cysteine

Applied Filters:
Keyword:'L-Cysteine'
Showing 1-30 of 105 results for "L-Cysteine" within Products
All Photos(10)

Synonym(s): L-Cysteine, (R)-2-Amino-3-mercaptopropionic acid
Linear Formula: HSCH2CH(NH2)CO2H
CAS No.:
52-90-4
Molecular Weight:
121.16
All Photos(2)

Linear Formula: HSCH2CH(NH2)COOH · HCl
CAS No.:
52-89-1
Molecular Weight:
157.62
EC No.:
200-157-7
Beilstein No.:
3560277
All Photos(1)

L-Cysteine, Free Base

Synonym(s): L-Cysteine, Free Base
Empirical Formula (Hill Notation): C3H7NO2S
CAS No.:
52-90-4
Molecular Weight:
121.16
CompareProduct No.DescriptionSDSPricing
243005Naturally-occurring non-essential amino acid.
All Photos(1)

(+)-S-Trityl-L-cysteine

Synonym(s): S-Trityl-L-cysteine
Linear Formula: (C6H5)3CSCH2CH(NH2)CO2H
CAS No.:
2799-07-7
Molecular Weight:
363.47
Beilstein No.:
2339626
CompareProduct No.DescriptionSDSPricing
16473997%, for peptide synthesis
All Photos(7)

Linear Formula: HSCH2CH(NH2)COOH · HCl · H2O
CAS No.:
7048-04-6
Molecular Weight:
175.63
EC No.:
200-157-7
Beilstein No.:
5158059
All Photos(2)

L-Cysteine S-sulfate

Synonym(s): S-Sulfo-L-cysteine
Empirical Formula (Hill Notation): C3H7NO5S2
CAS No.:
1637-71-4
Molecular Weight:
201.22
Beilstein No.:
1726832
CompareProduct No.DescriptionSDSPricing
C2196≥98% (TLC), suitable for ligand binding assays
All Photos(14)

Synonym(s): LNAC, NAC, N-Acetyl-L-cysteine
Linear Formula: HSCH2CH(NHCOCH3)CO2H
CAS No.:
616-91-1
Molecular Weight:
163.19
All Photos(3)

L-Cysteine hydrochloride hydrate

Linear Formula: HSCH2CH(NH2)CO2H·HCl·xH2O
CAS No.:
345909-32-2
Molecular Weight:
157.62 (anhydrous basis)
EC No.:
200-157-7
CompareProduct No.DescriptionSDSPricing
C12180099%, for peptide synthesis
All Photos(1)

S-Benzyl-L-cysteine

Linear Formula: C6H5CH2SCH2CH(NH2)CO2H
CAS No.:
3054-01-1
Molecular Weight:
211.28
EC No.:
221-273-4
Beilstein No.:
1879358
CompareProduct No.DescriptionSDSPricing
B1980097%
Species:
Mouse Serpina3l-ps (628916)
Related Products:
All Photos(1)

L-Cysteine hydrochloride

Synonym(s): L-Cysteine hydrochloride monohydrate
Linear Formula: HSCH2CH(NH2)COOH · HCl · H2O
CAS No.:
7048-04-6
Molecular Weight:
175.63
Beilstein No.:
5158059
CompareProduct No.DescriptionSDSPricing
1161509United States Pharmacopeia (USP) Reference Standard
All Photos(1)

N-Acetyl-L-cysteine methyl ester

Empirical Formula (Hill Notation): C6H11NO3S
CAS No.:
7652-46-2
Molecular Weight:
177.22
Beilstein No.:
1724357
CompareProduct No.DescriptionSDSPricing
01042≥90% (HPLC)
All Photos(1)

L-Cysteine ethyl ester hydrochloride

Linear Formula: HSCH2CH(NH2)COOC2H5 · HCl
CAS No.:
868-59-7
Molecular Weight:
185.67
EC No.:
212-779-6
Beilstein No.:
3562600
CompareProduct No.DescriptionSDSPricing
C12190898%, for peptide synthesis
All Photos(4)

S-Carboxymethyl-L-cysteine

Empirical Formula (Hill Notation): C5H9NO4S
CAS No.:
638-23-3
Molecular Weight:
179.19
EC No.:
211-327-5
Beilstein No.:
1725012
CompareProduct No.DescriptionSDSPricing
C7757
All Photos(1)

N-Acetyl-S-phenyl-L-cysteine

Empirical Formula (Hill Notation): C11H13NO3S
CAS No.:
4775-80-8
Molecular Weight:
239.29
CompareProduct No.DescriptionSDSPricing
30498analytical standard
All Photos(3)

N-Isobutyryl-L-cysteine

Synonym(s): N-(2-Methylpropionyl)-L-cysteine
Empirical Formula (Hill Notation): C7H13NO3S
CAS No.:
124529-02-8
Molecular Weight:
191.25
CompareProduct No.DescriptionSDSPricing
58698for chiral derivatization, LiChropur, ≥97.0%
All Photos(1)

Geranyl-L-Cysteine

Empirical Formula (Hill Notation): C13H23NO2S
CAS No.:
71050-10-7
Molecular Weight:
257.39
CompareProduct No.DescriptionSDSPricing
700304PAvanti Research - A Croda Brand
All Photos(3)

Linear Formula: HSCH2CH(NH2)COOCH3 · HCl
CAS No.:
18598-63-5
Molecular Weight:
171.65
EC No.:
242-435-0
Beilstein No.:
3685824
CompareProduct No.DescriptionSDSPricing
41020998%, for peptide synthesis
W478100≥95%
All Photos(1)

Synonym(s): L-Deoxyalliin, S-allyl-cysteine, S-allylcysteine, SAC
Empirical Formula (Hill Notation): C6H11NO2S
CAS No.:
21593-77-1
Molecular Weight:
161.22
CompareProduct No.DescriptionSDSPricing
SML0337≥98% (HPLC)
1013057United States Pharmacopeia (USP) Reference Standard
All Photos(3)

S-Methyl-L-cysteine

Synonym(s): (R)-2-Amino-3-(methylmercapto)propionic acid, SMLC
Linear Formula: CH3SCH2CH(NH2)CO2H
CAS No.:
1187-84-4
Molecular Weight:
135.18
EC No.:
214-701-6
Beilstein No.:
1721675
CompareProduct No.DescriptionSDSPricing
M6626suitable for ligand binding assays
All Photos(2)

Farnesyl-L-cysteine

Empirical Formula (Hill Notation): C18H31NO2S
CAS No.:
68000-92-0
Molecular Weight:
325.51
CompareProduct No.DescriptionSDSPricing
700308PAvanti Research - A Croda Brand
All Photos(1)

L-Cysteine-15N

Linear Formula: HSCH2CH(15NH2)CO2H
CAS No.:
204523-09-1
Molecular Weight:
122.15
CompareProduct No.DescriptionSDSPricing
609129≥98 atom % 15N, ≥98% (CP)
All Photos(1)

L-Cysteine-13C3,15N

Synonym(s): (R)-2-Amino-3-mercaptopropionic acid-13C3,15N, 13C and 15N Labeled L-cysteine
Linear Formula: HS13CH213CH(15NH2)13COOH
CAS No.:
202406-97-1
Molecular Weight:
125.13
CompareProduct No.DescriptionSDSPricing
658057≥99 atom %, ≥98% (CP)
All Photos(1)

N-Carbamoyl-L-cysteine

Empirical Formula (Hill Notation): C4H8N2O3S
CAS No.:
24583-23-1
Molecular Weight:
164.18
CompareProduct No.DescriptionSDSPricing
CDS006442AldrichCPR
All Photos(1)

L-Cysteine-2,3,3-d3

Linear Formula: HSCD2CD(NH2)CO2H
CAS No.:
214782-32-8
Molecular Weight:
124.18
CompareProduct No.DescriptionSDSPricing
70142498 atom % D, 97% (CP)
All Photos(1)

L-Cysteine-1-13C

Linear Formula: HSCH2CH(NH2)13CO2H
CAS No.:
224054-24-4
Molecular Weight:
122.15
CompareProduct No.DescriptionSDSPricing
67612899 atom % 13C, 98% (CP)
All Photos(1)

s-benzyl-L-cysteine sulphone

Empirical Formula (Hill Notation): C10H13NO4S
Molecular Weight:
243.28
CompareProduct No.DescriptionPricing
CDS005306AldrichCPR
All Photos(1)

N-(tert-Butoxycarbonyl)-L-cysteine methyl ester

Linear Formula: HSCH2CH[NHCO2C(CH3)3]CO2CH3
CAS No.:
55757-46-5
Molecular Weight:
235.30
CompareProduct No.DescriptionSDSPricing
46715497%, for peptide synthesis
All Photos(1)

Gamma-Glutamyl-(S)-Allyl-L-Cysteine

Synonym(s): N-γ-Glutamyl-S-2-propenyl-L-cysteine
Empirical Formula (Hill Notation): C11H18N2O5S
Molecular Weight:
290.34
CompareProduct No.DescriptionSDSPricing
1294848United States Pharmacopeia (USP) Reference Standard
All Photos(1)

S-Allyl-d5-L-cysteine

Linear Formula: D2C=CDCD2SCH2CH(NH2)CO2H
CAS No.:
1217444-21-7
Molecular Weight:
166.25
CompareProduct No.DescriptionSDSPricing
61605298 atom % D, 95% (CP)
All Photos(1)

L-Cysteine-15N,2,3,3-d3

Linear Formula: HSCD2CD(15NH2)CO2H
Molecular Weight:
125.17
CompareProduct No.DescriptionSDSPricing
75273898 atom % D, 98 atom % 15N, 95% (CP)
Page 1 of 4