U3RP5I088G 3581-91-7 4,5-Dimethylthiazole Thiazole, 4,5-dimethyl- 4-27-00-00986 (Beilstein Handbook Reference) BRN 0105694 EINECS 222-703-3 FEMA No. 3274 UNII-U3RP5I088G CAS 3581-91-7
| CAS No. | 3581-91-7 |
| Molecular Formula | C5H11NS |
| Molecular Weight | 117.21 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.
U3RP5I088G 3581-91-7 4,5-Dimethylthiazole Thiazole, 4,5-dimethyl- 4-27-00-00986 (Beilstein Handbook Reference) BRN 0105694 EINECS 222-703-3 FEMA No. 3274 UNII-U3RP5I088G (CAS 3581-91-7) is a high-purity analytical reference standard with the molecular formula C5H11NS and a molecular weight of 117.21 g/mol.
Structurally, U3RP5I088G 3581-91-7 4,5-Dimethylthiazole Thiazole, 4,5-dimethyl- 4-27-00-00986 (Beilstein Handbook Reference) BRN 0105694 EINECS 222-703-3 FEMA No. 3274 UNII-U3RP5I088G (C5H11NS) contains sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 117.21 g/mol, it falls into the low-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.
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 | C5H11NS |
| Molecular Weight | 117.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
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