Dimethyl-1,3-thiazole-2-thiol CAS 5351-51-9
| CAS No. | 5351-51-9 |
| Molecular Formula | C5H7NS2 |
| Molecular Weight | 145.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Dimethyl-1,3-thiazole-2-thiol is closely related to a nitrile group, sulfur-containing functionality in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies Dimethyl-1,3-thiazole-2-thiol (CAS 5351-51-9), a certified reference material (molecular formula C5H7NS2, MW 145.25 g/mol) for analytical method development and quality control.
Structurally, Dimethyl-1,3-thiazole-2-thiol (C5H7NS2) 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 145.25 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.
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.
As a certified reference material (CRM), Dimethyl-1,3-thiazole-2-thiol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H7NS2 |
| Molecular Weight | 145.25 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 5-Ethylthiazole-2-thiol (CAS 371120-77-3)
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- 3-[(4-Ethoxyphenoxy)methyl]piperidine (CAS 946713-34-4)
- 6-Methylquinoxaline-2-carbonitrile (CAS 14334-16-8)
- tert-Butyl (R)-4,4-difluoro-3-hydroxypiperidine-1-carboxylate (CAS 2306249-01-2)
- L-Glutamine, N2-[(1,1-dimethylethoxy)carbonyl]-N-methoxy-N-methyl-, 1,1-dimethylethyl ester (CAS 197159-25-4)
- 3-{[methyl(1,3-thiazol-4-ylmethyl)amino]methyl}aniline (CAS 1251200-06-2)
- 1-methyl-6-oxopiperidine-3-carboxylic acid (CAS 22540-51-8)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
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