Thermo Scientific Chemicals D-Cysteine hydrochloride monohydrate, 99%

Catalog No.	Quantity
AAH2710703	1 g
AAH2710706	5 g

Catalog No. AAH2710703 Supplier Thermo Scientific Chemicals Supplier No. H2710703

Description

CAS: 207121-46-8 | C3H10ClNO3S | 175.627 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 207121-46-8
• Molecular Formula: C3H10ClNO3S
• Molecular Weight (g/mol): 175.627
• MDL Number: MFCD00150051
• InChI Key: QIJRTFXNRTXDIP-YBBRRFGFSA-N
• Synonym: d-cysteine hydrochloride monohydrate, s-2-amino-3-mercaptopropanoic acid hydrochloride hydrate, d-cysteine*hcl*h2o, d-cysteine hydrochloride hydrate, h-d-cys-oh.hcl.h2o, d-cysteine hydrate hydrochloride, c3h7no2s.hcl.h2o, d-cysteine hcl monohydrate, pubchem12314, h-d-cys-oh??hcl??h2o
• PubChem CID: 10176341
• IUPAC Name: (2S)-2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride
• SMILES: C(C(C(=O)O)N)S.O.Cl

• Melting Point: 184°C to 186°C
• Quantity: 1 g
• Formula Weight: 175.64 (157.62 Anhydrous)
• Optical Rotation: −5.5° (c=5 in 5N HCl)
• Percent Purity: 99%
• Chemical Name or Material: D-Cysteine hydrochloride monohydrate

Safety and Handling

Hazard Category	H315-H319-H335
Hazard Statement	GHS H Statement H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c
EINECSNumber	251-043-9
TSCA	No
Recommended Storage	Keep cold

SDS

RUO – Research Use Only