5-(5-Mercapto-4-methyl-4h-1,2,4-triazol-3-yl)-1-methyl-1h-pyrazole-3-carboxylic acid CAS 1005580-13-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1005580-13-1 |
| Molecular Formula | C8H9N5O2S |
| Molecular Weight | 239.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(5-Mercapto-4-methyl-4h-1,2,4-triazol-3-yl)-1-methyl-1h-pyrazole-3-carboxylic acid (CAS 1005580-13-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H9N5O2S. Molecular weight: 239.25 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H9N5O2S |
| Molecular Weight | 239.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Finerenone Impurity 198 (CAS 1097097-47-6)
- 5-[4-(Methylsulfonyl)phenyl]-1,3,4-oxadiazol-2-amine (CAS 1016504-27-0)
- tert-Butyl (4-fluoro-2-formylphenyl)carbamate (CAS 844891-31-2)
- 3-Ethynyl-2-hydroxybenzaldehyde (CAS 910459-12-0)
- (1,4,7,10,13-Pentaoxacyclopentadecan-2-yl)methanol (CAS 75507-25-4)
- 2-(1H-Pyrrolo[2,3-f]quinolin-3-yl)acetic acid (CAS 87361-86-2)
- (1R,6S,7S)-7-(trifluoromethyl)-2-oxa-5-azabicyclo[4.1.0]Heptane (CAS 1305712-30-4)
- 1-Methyl-N-(1-phenylethyl)piperidin-4-amine (CAS 359880-52-7)
- 3-(tert-Butyl)-4-hydroxybenzamide (CAS 847943-62-8)
- Des-Ile12-Aib13-Tirzepatide (CAS CATO-CPTD788960)
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