7381-67-1 Cysteine, hydrogen sulfate (ester), sodium salt, hydrate (2:2:3) NSC 344479 Sodium S-sulfocysteine hydrate CAS 7381-67-1
| CAS No. | 7381-67-1 |
| Molecular Formula | C3H6NO5S2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 223.19 g/mol gives 7381-67-1 Cysteine, hydrogen sulfate (ester), sodium salt, hydrate (2:2:3) NSC 344479 Sodium S-sulfocysteine hydrate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 7381-67-1 Cysteine, hydrogen sulfate (ester), sodium salt, hydrate (2:2:3) NSC 344479 Sodium S-sulfocysteine hydrate (CAS 7381-67-1), a certified reference material (molecular formula C3H6NO5S2Na, MW 223.19 g/mol) for analytical method development and quality control.
Structurally, 7381-67-1 Cysteine, hydrogen sulfate (ester), sodium salt, hydrate (2:2:3) NSC 344479 Sodium S-sulfocysteine hydrate (C3H6NO5S2Na) contains an amide group, a sulfone group, a carboxylic acid group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.5, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 223.19 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 7381-67-1 Cysteine, hydrogen sulfate (ester), sodium salt, hydrate (2:2:3) NSC 344479 Sodium S-sulfocysteine hydrate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C3H6NO5S2 Na |
| Molecular Weight | 223.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.5 |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Cysteine Standards
- DL-Cysteine- (CAS 10318-18-0)
- DL-Cysteine hydrochloride monohydrate (CAS 116797-51-4)
- DL-Cysteine-3,3-d2 (CAS 124051-54-3)
- L-Cysteine-Glutathione Disulfide (CAS 13081-14-6)
- L-Cysteine Sulfinic Acid 2 (CAS 1315057-92-1)
- D-Cysteine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-S-methyl- (CAS 1393524-09-8)
- DL-Cysteine-3- (CAS 150146-94-4)
- L-Cysteine S-sulfate sodium salt sesquihydrate (CAS 150465-29-5)
Recommended Standards
- 3-(6-Fluoropyridin-3-yl)-5-methylbenzaldehyde (CAS 1206969-42-7)
- 2-((4-Allyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(2-methoxy-5-methylphenyl)acetamide (CAS 618879-93-9)
- (S)-tert-butyl 3-((2-(4-amino-1,2,5-oxadiazol-3-yl)-4-chloro-1-ethyl-1H-imidazo[4,5-c]pyridin-7-yloxy)methyl)piperidine-1-carboxylate (CAS 937174-74-8)
- 1-(3,4-Dimethylphenyl)-2-((2-hydroxyethyl)thio)ethan-1-one (CAS 1157217-99-6)
- tert-Butyl (2-hydroxybutyl)(methyl)carbamate (CAS 1889077-30-8)
- Aspirin Impurity C / Mesalazine EP Impurity H (CAS 69-72-7)
- D-galactosamine-1- (CAS 478518-54-6)
- Ethyl 4-(piperazin-1-ylmethyl)piperidine-1-carboxylate dihydrochloride (CAS 1211474-84-8)
- 1-(2-Bromo-4-fluorobenzyl)-1h-pyrazol-3-amine (CAS 1183753-40-3)
- (Glu1)-Fibrinopeptide B (human) (CAS 103213-49-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com