5-Chloro-1,2,3-thiadiazole-4-carboxamide CAS 64837-51-0
| CAS No. | 64837-51-0 |
| Molecular Formula | C3H2ClN3OS |
| Molecular Weight | 163.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-Chloro-1,2,3-thiadiazole-4-carboxamide 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.
5-Chloro-1,2,3-thiadiazole-4-carboxamide (CAS 64837-51-0), molecular formula C3H2ClN3OS and molecular weight 163.59 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C3H2ClN3OS, 5-Chloro-1,2,3-thiadiazole-4-carboxamide 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 163.59 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C3H2ClN3OS |
| Molecular Weight | 163.59 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.) | 1975 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 5-Chloro-1,3,4-thiadiazole-2-carboxamide (CAS 64837-52-1)
- 2-Chloro-5-nitrothiophene (CAS 13195-49-8)
- 2-Chloro-1-(3-hydroxypyrrolidin-1-yl)ethan-1-one (CAS 1344314-23-3)
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- 2-chloro-N-(2-oxobutyl)acetamide (CAS 1461707-65-2)
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Recommended Standards
- 2-Chlorothiazole-5-carboxylic acid (CAS 101012-12-8)
- 4-Chloro-5-Isothiazolecarboxylic Acid (CAS 88982-87-0)
- 3-(3-Chloropropyl)-2-oxazolidinone (CAS 10127-86-3)
- 4-Chloro-2-oxo-2,3-dihydro-1,3-thiazole-5-carbaldehyde (CAS 55359-96-1)
- 1-Ethyl-3-(4-methoxyphenyl)-6-methylpyrimido[5,4-e][1,2,4]triazine-5,7(1H,6H)-dione (CAS 144294-65-5)
- 5-Methyl-2-(3-methylbenzyl)-2H-1,2,6-thiadiazine-4-carboxylic acid 1,1-dioxide (CAS 1775525-86-4)
- 2-Isopropylnicotinic acid (CAS 1368114-08-2)
- (2S,3R)-2-(5-(Tert-butoxycarbonyl)-6-methyl-1-oxo-2,5-diazaspiro[3.4]octan-2-yl)-3-hydroxybutanoic acid (CAS 1621435-47-9)
- N-[2-(3,5-Dimethylphenoxy)ethyl]-4-(3-phenylpropoxy)aniline (CAS 1040686-57-4)
- tert-Butyl 4-(pyrimidin-4-yl)piperazine-1-carboxylate (CAS 221050-89-1)
- Pyridoxine-d2 HCl (CAS 5027-82-7)
- N,N-dimethyl-4-((3R,6S)-6-methylmorpholin-3-yl)aniline (CAS 1557288-63-7)
- 1-chlorobenzothiopheno[2,3-c]pyridine (CAS 887579-83-1)
- Semaglutide Impurity 185 (CAS CATO-C4X-2226185)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com