DL-Cysteine Hydrochloride Monohydrate - ≥98%(T) , CAS No.116797-51-4

CAS: 116797-51-4 Cat. No.: S161428 Molecular Weight: 157.61(as Anhydrous) EC Number: 679-594-4
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(T)
Synonyms
FT-0642336 | THR 221 | 2-amino-3-sulfanylpropanoic acid hydrate hydrochloride | 3-AMINO-3-(2,5-DIMETHYL-4-METHOXY-PHENYL)-PROPIONICACID | DL-Cysteine hydrochloride hydrate | MFCD00151030 | SY061564 | FT-0642850 | MFCD00065606 | 2-Amino-3-mercaptopropanoic
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
S161428-5g
2

$9.90

$14.90
Save $5.00 (33.56%)
25g
S161428-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$16.90

$25.90
Save $9.00 (34.75%)
100g
S161428-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$29.90

$44.90
Save $15.00 (33.41%)
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Why this grade

≥98%(T) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
FT-0642336 | THR 221 | 2-amino-3-sulfanylpropanoic acid hydrate hydrochloride | 3-AMINO-3-(2, 5-DIMETHYL-4-METHOXY-PHENYL)-PROPIONICACID | DL-Cysteine hydrochloride hydrate | MFCD00151030 | SY061564 | FT-0642850 | MFCD00065606 | 2-Amino-3-mercaptopropanoic
Specifications & Purity
≥98%(T)
Storage
Room temperature
Shipped In
Normal
Purity
≥98%(T)
Names and Identifiers
Pubchem Sid504766993
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504766993
Canonical SmilesC(C(C(=O)O)N)S.O.Cl
IUPAC Name2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride
InChIKeyQIJRTFXNRTXDIP-UHFFFAOYSA-N
INCHI1S/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2
Isomeric SMILES C(C(C(=O)O)N)S.O.Cl
Alternate CAS 96998-61-7
Molecular Weight 157.61(as Anhydrous)
Reaxy-Rn 13248136
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=13248136&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Amino acids and derivatives - Alpha amino acids and derivatives
Direct ParentCysteine and derivatives
Alternative Parents Alpha amino acids  Amino acids  Monocarboxylic acids and derivatives  Carboxylic acids  Alkylthiols  Organic oxides  Monoalkylamines  Hydrochlorides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Cysteine or derivatives - Alpha-amino acid - Amino acid - Alkylthiol - Carboxylic acid - Monocarboxylic acid or derivatives - Organic nitrogen compound - Hydrochloride - Primary amine - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Hydrocarbon derivative - Primary aliphatic amine - Organic oxide - Carbonyl group - Amine - Organic oxygen compound - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as cysteine and derivatives. These are compounds containing cysteine or a derivative thereof resulting from reaction of cysteine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

2 results found

Lot NumberCertificate TypeDateItem
C2427054Certificate of AnalysisApr 15, 2024 S161428
B1927079Certificate of AnalysisApr 07, 2024 S161428
Chemical and Physical Properties
SensitivityMoisture sensitive.
Molecular Weight175.640 g/mol
XLogP3
Hydrogen Bond Donor Count5
Hydrogen Bond Acceptor Count5
Rotatable Bond Count2
Exact Mass175.007 Da
Monoisotopic Mass175.007 Da
Topological Polar Surface Area65.300 Ų
Heavy Atom Count9
Formal Charge0
Complexity75.300
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count1
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
Solution Calculators
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