5-Propyl-[1,3,4]thiadiazole-2-thiol CAS 37663-50-6
| CAS No. | 37663-50-6 |
| Molecular Formula | C5H8N2S2 |
| Molecular Weight | 160.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Propyl-[1,3,4]thiadiazole-2-thiol (C5H8N2S2) contains a nitrile group, sulfur-containing functionality. 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 160.26 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
5-Propyl-[1,3,4]thiadiazole-2-thiol (CAS 37663-50-6) is a high-purity analytical reference standard with the molecular formula C5H8N2S2 and a molecular weight of 160.26 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C5H8N2S2 |
| Molecular Weight | 160.26 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.) | 1967 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Propyl Standards
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- 5-Phenyl-[1,2,3]thiadiazole (CAS 18212-29-8)
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- 3-Methyl-1,2,4-thiadiazole-5-carbohydrazide (CAS 1375066-73-1)
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Recommended Standards
- 5-Isopropyl-1,3,4-thiadiazole-2-thiol (CAS 37663-52-8)
- 6-Ethyltetralin (CAS 22531-20-0)
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- N’-(2-methoxyethyl)-N,N-dimethylpropane-1,3-diamine (CAS 84176-68-1)
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- 2,4-Diphenyl-1-(p-tolyl)-5,6-dihydrobenzo[h]quinolin-1-ium bromide (CAS 76192-24-0)
- 4-methyl-2-(4-nitrophenyl)-1,3-thiazole (CAS 109029-42-7)
- 4-(Methoxymethyl)-1,3-dioxolan-2-one (CAS 40492-31-7)
- 2,5-Dibromo-N-isopropylbenzenesulfonamide (CAS 1018128-83-0)
- Benzo[d]thiazole-4,5-diamine (CAS 1154534-78-7)
- 2-(4-Methylbenzoyl)-5-methylpyridine (CAS 1187166-34-2)
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- (1-Isopropyl-1H-indol-7-yl)methanamine (CAS 1496077-77-0)
- Semaglutide impurity 271 (CAS CATO-C4X-2226271)
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