3-Thioxo-3,4-dihydropyrazine-2-carboxamide CAS 131295-39-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 131295-39-1 |
| Molecular Formula | C5H5N3OS |
| Molecular Weight | 155.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Thioxo-3,4-dihydropyrazine-2-carboxamide (CAS 131295-39-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H5N3OS. Molecular weight: 155.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H5N3OS |
| Molecular Weight | 155.18 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Thioxo Standards
- 4-Thioxo-1,4-dihydropyrimidine-5-carboxamide (CAS 102818-21-3)
- 2-Thioxo-1,2-dihydropyrimidine-4-carboxamide (CAS 155957-51-0)
- 6-Thioxo-1,6-dihydropyridazine-3-carboxamide (CAS 176658-63-2)
- 6-Thioxo-1,6-dihydropyrimidine-4-carboxamide (CAS 303024-25-1)
- 6-Thioxo-1,6-dihydropyridine-3-carboxylic acid (CAS 17624-07-6)
- 2-Oxo-4-thioxo-1,2,3,4-tetrahydropyrimidine-5-carbaldehyde (CAS 144850-43-1)
- 2-Thioxo-1,2-dihydropyrimidine-4-carboxylic acid (CAS 6972-13-0)
- 6-Thioxo-1,6-dihydropyridazine-3-carboxylic acid (CAS 83673-86-3)
Recommended Standards
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- tert-butyl (2S)-2-(iodomethyl)pyrrolidine-1-carboxylate (CAS 338945-22-5)
- 2-Amino-1-thiophen-2-ylethanol (CAS 10021-67-7)
- 1-Boc-2-methylazetidine-2-carboxylic Acid (CAS 449758-77-4)
- 17β-Estradiol-16,16,17-d3 3-Benzoate (CAS 1192354-74-7)
- 3-fluoro-7-hydroxy-5-methoxy-4-methyl-chromen-2-one (CAS 2920243-41-8)
- 3-(Furan-2-yl)-1H-pyrazole-4-carbaldehyde (CAS 61619-81-6)
- Semaglutide impurity 210 (CAS CATO-C4X-2226210)
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