L-Cysteic Acid - ≥98%(T) , CAS No.498-40-8

CAS: 498-40-8 Cat. No.: S161224 Molecular Weight: 169.15 Beilstein Registry Number: 4533 PubChem CID: 72886
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(T)
Synonyms
EN300-302681 | NSC-254030 | Cipteic acid | (R)-2-Amino-3-sulfopropanoic acid | 3-sulfo-L-alanine | D81957 | Cysteic acid (VAN) | alpha-amino-beta-sulfopropionic acid | Trifluoromethyl methyl ketone | M6W2DJ6N5K | (R)-cysteate | (2R)-2-amino-3-sulfo-propio
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
S161224-1g
8

$12.90

$19.90
Save $7.00 (35.18%)
5g
S161224-5g
4

$30.90

$46.90
Save $16.00 (34.12%)
10g
S161224-10g
1

$55.90

$83.90
Save $28.00 (33.37%)
25g
S161224-25g
1

$75.90

$113.90
Save $38.00 (33.36%)
100g
S161224-100g
1

$302.90

$454.90
Save $152.00 (33.41%)
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Why this grade

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

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

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

📚

Literature proof

Cited in 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
EN300-302681 | NSC-254030 | Cipteic acid | (R)-2-Amino-3-sulfopropanoic acid | 3-sulfo-L-alanine | D81957 | Cysteic acid (VAN) | alpha-amino-beta-sulfopropionic acid | Trifluoromethyl methyl ketone | M6W2DJ6N5K | (R)-cysteate | (2R)-2-amino-3-sulfo-propio
Specifications & Purity
≥98%(T)
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%(T)
Names and Identifiers
Pubchem Sid488184732
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488184732
Canonical SmilesC(C(C(=O)O)N)S(=O)(=O)O
IUPAC Name(2R)-2-amino-3-sulfopropanoic acid
InChIKeyXVOYSCVBGLVSOL-REOHCLBHSA-N
INCHI1S/C3H7NO5S/c4-2(3(5)6)1-10(7,8)9/h2H,1,4H2,(H,5,6)(H,7,8,9)/t2-/m0/s1
Isomeric SMILES C([C@@H](C(=O)O)N)S(=O)(=O)O
PubChem CID 72886
Molecular Weight 169.15
Beilstein 4533
Reaxy-Rn 1725495

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.

View datasheet →

🔬 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 - Alpha amino acids
Direct ParentL-alpha-amino acids
Alternative Parents Sulfonyls  Organosulfonic acids  Alkanesulfonic acids  Amino acids  Monocarboxylic acids and derivatives  Carboxylic acids  Organopnictogen compounds  Organic oxides  Monoalkylamines  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents L-alpha-amino acid - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Alkanesulfonic acid - Amino acid - Carboxylic acid - Monocarboxylic acid or derivatives - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Primary amine - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Amine - Primary aliphatic amine - Carbonyl group - Organic oxide - Hydrocarbon derivative - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as l-alpha-amino acids. These are alpha amino acids which have the L-configuration of the alpha-carbon atom.
External Descriptors non-proteinogenic L-alpha-amino acid - L-cysteine derivative - amino sulfonic acid - L-alanine derivative - cysteic acid
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.

15 results found

Lot NumberCertificate TypeDateItem
G1823117Certificate of AnalysisFeb 05, 2026 S161224
C2226644Certificate of AnalysisJan 19, 2026 S161224
F2610041Certificate of AnalysisAug 22, 2024 S161224
I2406405Certificate of AnalysisAug 22, 2024 S161224
I2406413Certificate of AnalysisAug 22, 2024 S161224
I2406414Certificate of AnalysisAug 22, 2024 S161224
I2406417Certificate of AnalysisAug 22, 2024 S161224
I2406418Certificate of AnalysisAug 22, 2024 S161224
I2406421Certificate of AnalysisAug 22, 2024 S161224
I2406422Certificate of AnalysisAug 22, 2024 S161224
K2525057Certificate of AnalysisAug 22, 2024 S161224
L2519050Certificate of AnalysisAug 22, 2024 S161224
B2323501Certificate of AnalysisMar 02, 2023 S161224
E2304413Certificate of AnalysisMar 02, 2023 S161224
C2226633Certificate of AnalysisMay 30, 2022 S161224

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Chemical and Physical Properties
Specific Rotation[α]8° (C=5,H2O)
Melt Point(°C)263 °C
Molecular Weight169.160 g/mol
XLogP3-4.500
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count6
Rotatable Bond Count3
Exact Mass169.004 Da
Monoisotopic Mass169.004 Da
Topological Polar Surface Area126.000 Ų
Heavy Atom Count10
Formal Charge0
Complexity214.000
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Guan-Lan Huang, Ling Yang, Bo-Ying Ren, Xin-Yue Lv, Ling-Yi Song, Xia-Lin Dai, Jia-Mei Chen.  (2022)  Simultaneously improving the physicochemical and pharmacokinetic properties of vemurafenib through cocrystallization strategy.  JOURNAL OF DRUG DELIVERY SCIENCE AND TECHNOLOGY,      [PMID:] [10.1016/j.jddst.2022.103230]
2. Xin Cao, Hongjuan Liu, Miao Yang, Kanmin Mao, Xinzheng Wang, Ziyu Chen, Mingqi Ran, Liping Hao.  (2024)  Evaluation of the nutritional quality of yeast protein in comparison to animal and plant proteins using growing rats and INFOGEST model.  FOOD CHEMISTRY,      [PMID:39303477] [10.1016/j.foodchem.2024.141178]
3. Hong-Bin Luo, Wen-Ze Chen, Yu-Hua Mo, Jia-Liang Gao, Guo-Qin Zhang, Yuan-Bo Tong, Dong-Qiang Cao, Xiao-Ming Ren.  (2025)  In Situ Polymer-Integrated Metal–Organic Framework for Solid-State Electrolyte Membrane.  INORGANIC CHEMISTRY,      [PMID:41088739] [10.1021/acs.inorgchem.5c04173]
Solution Calculators
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