4-Methyl-5-sulfanyl-4h-1,2,4-triazol-3-ol CAS 22244-61-7
| CAS No. | 22244-61-7 |
| Molecular Formula | C3H5N3OS |
| Molecular Weight | 131.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 4-Methyl-5-sulfanyl-4h-1,2,4-triazol-3-ol (CAS 22244-61-7), a certified reference material (molecular formula C3H5N3OS, MW 131.16 g/mol) for analytical method development and quality control.
Structurally, 4-Methyl-5-sulfanyl-4h-1,2,4-triazol-3-ol (C3H5N3OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 131.16 g/mol, it falls into the low-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 4-Methyl-5-sulfanyl-4h-1,2,4-triazol-3-ol 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 | C3H5N3OS |
| Molecular Weight | 131.16 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 4-Methyl-4-sulfanyl-pentan-2-ol (CAS 31539-84-1)
- (1-Methyl-2-sulfanyl-1h-imidazol-5-yl)methanol (CAS 143122-18-3)
- 4-Ethyl-5-sulfanyl-4h-1,2,4-triazol-3-ol (CAS 53249-23-3)
- Methyl Sulfanyl Formyl Chloride (CAS 2812-72-8)
- 2-(4-methyl-5-sulfanyl-4H-1,2,4-triazol-3-yl)ethan-1-ol (CAS 121941-90-0)
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Recommended Standards
- 4-Hydrazinylthiazol-2(5H)-one (CAS 34794-85-9)
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- 4,5-Diamino-2,4-dihydro-3H-1,2,4-triazole-3-thione (CAS 3529-50-8)
- 5-(Mercaptomethyl)-1H-1,2,4-triazol-3(2H)-one (CAS 23968-85-6)
- 1-Chloro-2,6-difluoro-3-ethoxybenzene (CAS 1805526-83-3)
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- 3-Fluoro-1-(tetrahydro-2H-pyran-2-yl)-5-(4,4,4-trifluorobut-1-yn-1-yl)-1H-indazole (CAS 2052136-98-6)
- 2-(4-(Morpholinosulfonyl)phenyl)acetic acid (CAS 325721-84-4)
- 3-Bromomethyl-5-methylpyridine (CAS 120276-47-3)
- Methyl 2-(2-{[6-acetyl-3-cyano-4-(trifluoromethyl)-5,6,7,8-tetrahydro-1,6-naphthyridin-2-yl]sulfanyl}acetamido)benzoate (CAS 664999-43-3)
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