3-aminopyrazine-2-thiol CAS 31613-87-3
| CAS No. | 31613-87-3 |
| Molecular Formula | C4H11N3S |
| Molecular Weight | 133.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-aminopyrazine-2-thiol is closely related to sulfur-containing functionality in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-aminopyrazine-2-thiol (CAS 31613-87-3), molecular formula C4H11N3S and molecular weight 133.22 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to sulfur-containing functionality, 3-aminopyrazine-2-thiol is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 133.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 3-aminopyrazine-2-thiol 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 | C4H11N3S |
| Molecular Weight | 133.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related aminopyrazine Standards
- 3-aminopyrazine-2-carbaldehyde (CAS 32710-14-8)
- 3-Aminopyrazine-2-carboxamide (CAS 32587-10-3)
- 5-Aminopyrazine-2-carboxamide (CAS 89323-09-1)
- 6-Aminopyrazine-2-carboxamide (CAS 33332-49-9)
- 5-Aminopyrazine-2-carboxylic Acid (CAS 40155-43-9)
- 6-Aminopyrazine-2-carboxylic Acid (CAS 61442-38-4)
- 5-Aminopyrazine-2-carbaldehyde (CAS 1263378-65-9)
- 3-Aminopyrazine-2,6-dicarbonitrile (CAS 113305-95-6)
Recommended Standards
- 3-Aminopropyl carbamimidothioate dihydrobromide (CAS 7072-40-4)
- N,N,1-Trimethylhydrazine-1-carbothioamide (CAS 2652-62-2)
- 3-Aminopropyl carbamimidothioate (CAS 7320-57-2)
- (R)-4-Methylthiazolidine-2-thione (CAS 114296-85-4)
- 2-Fluoro-6-methoxybenzyl alcohol (CAS 253668-46-1)
- 1-BROMO-4-MORPHOLINOBENZENE 30483-75-1 4-(4-BROMOPHENYL)MORPHOLINE BC004139 MORPHOLINE, 4-(4-BROMOPHENYL)- N-(4-BROMOPHENYL)MORPHOLINE (CAS 30483-75-1)
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- Methyl (E)-3-(3-(2-chlorophenyl)acrylamido)propanoate (CAS 1181467-15-1)
- D-[Asp]9-Semaglutide (CAS CATO-CPTD788631)
Why CATO?
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