4-Hydroxy-1H-imidazole-5-carbothioamide CAS 71644-33-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 71644-33-2 |
| Molecular Formula | C4H5N3OS |
| Molecular Weight | 143.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Hydroxy-1H-imidazole-5-carbothioamide (CAS 71644-33-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4H5N3OS. Molecular weight: 143.17 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H5N3OS |
| Molecular Weight | 143.17 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
- N'-hydroxy-1,3-thiazole-4-carboximidamide (CAS 89829-63-0)
- N'-hydroxy-1,3-thiazole-5-carboximidamide (CAS 51640-54-1)
- N-hydroxy-2-thiazolecarboximidamide (CAS 89829-62-9)
- 4-Hydroxy-3-isothiocyanatobutyric acid lactone (CAS 61315-63-7)
- 1-(4-hydroxy-2-pyridyl)ethanone (CAS 1196157-53-5)
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- 1-(3-hydroxy-2-pyridyl)ethanone (CAS 13210-29-2)
- 1-(3-Hydroxy-1-pyrrolidinyl)-1-propanone (CAS 1344224-72-1)
Recommended Standards
- 4-Aminoisothiazole-5-carboxamide (CAS 533937-83-6)
- 5-(Methylthio)-1,2,4-triazin-3(4H)-one (CAS 57360-30-2)
- 4-Aminoisothiazole-3-carboxamide (CAS 4592-54-5)
- 1-(3-((6-Chloropyridin-3-yl)methyl)piperidin-1-yl)ethan-1-one (CAS 1316223-57-0)
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-((5,9-dioxo-4,10-dioxa-6,8-diazatrideca-1,12-dien-7-ylidene)amino)pentanoic acid (CAS 148893-34-9)
- (S)-2-((R)-2-Amino-3-(1H-imidazol-4-yl)propanamido)-3-(1H-imidazol-4-yl)propanoic acid (CAS 88853-88-7)
- Deoxycholic acid Impurity 16 (CAS CATO-C4X-335916)
- 3-methoxy-4-nitro-pyridine (CAS 13505-07-2)
- Sodium eicosyl sulfate (CAS 13177-49-6)
- Pancreatic Polypeptide (rat) (CAS 90419-12-8)
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