2-Amino-1H-imidazole-4-sulfonic acid CAS 406193-87-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 406193-87-1 |
| Molecular Formula | C3H5N3O3S |
| Molecular Weight | 163.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
2-Amino-1H-imidazole-4-sulfonic acid (CAS 406193-87-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C3H5N3O3S. Molecular weight: 163.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C3H5N3O3S |
| Molecular Weight | 163.16 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 | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Recommended Standards
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- VH-298 (CAS 2097381-85-4)
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- 1-{[2-(2,4-dimethylphenyl)-2-oxoethyl]sulfanyl}-4-[(2-methoxyphenyl)methyl]-4H,5H-[1,2,4]triazolo[4,3-a]quinazolin-5-one (CAS 880279-88-9)
- Vildagliptin Impurity 74 (CAS 1382839-19-1)
- Insulin Degludec Impurity 1 (CAS 843666-26-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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