1,2,3-Thiadiazole-4-carbonyl chloride (6CI,7CI,8CI,9CI) 4100-17-8 CAS 4100-17-8
| CAS No. | 4100-17-8 |
| Molecular Formula | C3HClN2OS |
| Molecular Weight | 148.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C3HClN2OS, 1,2,3-Thiadiazole-4-carbonyl chloride (6CI,7CI,8CI,9CI) 4100-17-8 contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 148.57 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
1,2,3-Thiadiazole-4-carbonyl chloride (6CI,7CI,8CI,9CI) 4100-17-8 (CAS 4100-17-8) is a high-purity analytical reference standard with the molecular formula C3HClN2OS and a molecular weight of 148.57 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1,2,3-Thiadiazole-4-carbonyl chloride (6CI,7CI,8CI,9CI) 4100-17-8 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 | C3HClN2OS |
| Molecular Weight | 148.57 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Thiadiazole Standards
- 1,3,4-Thiadiazole-2-carbonyl chloride (CAS 104473-08-7)
- Poly(1,3,4-thiadiazole-2,5-diyldithio) (CAS 79509-46-9)
- 3-methyl-1,2,4-thiadiazole-5-carboxylic acid (CAS 859536-45-1)
- 1,2,5-Thiadiazole-3,4-diamine 1,1-dioxide (CAS 55904-35-3)
- 3-Ethyl-1,2,4-thiadiazole-5-thiol (CAS 63688-13-1)
- 5-ethyl-1,3,4-thiadiazole-2-thiol (CAS 37663-51-7)
- 1,3,4-Thiadiazole-2-carbohydrazide (CAS 1330755-61-7)
- 1,2,3-Thiadiazole-4-carbohydrazide (CAS 4100-18-9)
Recommended Standards
- 5-chloro-4-fluoro-1,3-dimethyl-1H-pyrazole (CAS 1909319-19-2)
- 6-chloro-2-methyl-2,3-dihydropyridazin-3-one (CAS 10071-38-2)
- 4-Chloro-1-(2-fluoroethyl)-1H-pyrazole (CAS 1429419-75-9)
- 6-chloro-3-methyl-pyrimidin-4-one (CAS 101079-62-3)
- (1-(2-Amino-6-chloropyrimidin-4-yl)piperidin-3-yl)methanol (CAS 1197569-96-2)
- 1-(2-Ethoxyphenyl)-2,2,2-trifluoroethan-1-one (CAS 1342067-27-9)
- 1-(4-Aminophenyl)-2-azetidinecarboxamide (CAS 344405-54-5)
- Cyclotriphosphazene-PMMH-6 dendrimer, generation 1.0 (CAS 189939-11-5)
- Succinyl chloride (CAS 543-20-4)
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