5-Chloro-N-methyl-1,3,4-thiadiazol-2-amine CAS 68429-94-7
| CAS No. | 68429-94-7 |
| Molecular Formula | C3H4ClN3S |
| Molecular Weight | 149.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 149.60 g/mol gives 5-Chloro-N-methyl-1,3,4-thiadiazol-2-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Chloro-N-methyl-1,3,4-thiadiazol-2-amine (CAS 68429-94-7), molecular formula C3H4ClN3S and molecular weight 149.60 g/mol, is a CATO reference standard with documented purity and traceability.
5-Chloro-N-methyl-1,3,4-thiadiazol-2-amine (C3H4ClN3S) contains a nitrile group, sulfur-containing functionality, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
CATO manufactures 5-Chloro-N-methyl-1,3,4-thiadiazol-2-amine 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.
Physical & Chemical Properties
| Molecular Formula | C3H4ClN3S |
| Molecular Weight | 149.60 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- (5-Chloro-1,3,4-thiadiazol-2-yl)methanamine (CAS 1935236-26-2)
- 4-Chloro-2-methylisothiazol-3(2H)-one (CAS 71091-90-2)
- 4-Chloro-3-methoxyisothiazole (CAS 78383-41-2)
- 5-Chloro-3-(methylthio)-1H-1,2,4-triazole (CAS 51108-40-8)
- 5-Chloro-2-Methyl-4-Isothiazolin-3-One (CAS 26172-55-4)
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Recommended Standards
- Cefmetazole Impurity 21 (CAS 52069-55-3)
- 5-(Chloromethyl)-1,3,4-thiadiazol-2-amine (CAS 62774-00-9)
- 5-chloro-3-methylpyrazin-2-amine (CAS 1001050-30-1)
- (3R)-1-(2-chloroethyl)pyrrolidin-3-ol (CAS 1039826-52-2)
- 3-amino-5-chloro-6-(2-methylphenoxy)-2,3-dihydro-1H-indol-2-one hydrochloride (CAS 1955505-60-8)
- 1-(2,4-Difluorophenyl)imidazolidin-2-one (CAS 1545294-47-0)
- 3-Fluoro-2-formyl-6-methoxyphenylboronic acid (CAS 1451392-14-5)
- 1,2-Bis(o-nitrophenoxy)ethane (CAS 51661-19-9)
- 1-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethanol (CAS 443777-10-4)
- 1-(2,6-dichloropyrimidin-4-yl)ethanone (CAS 1246034-32-1)
- (S)-1-(tert-butoxycarbonyl)-2-(4-cyanobenzyl)pyrrolidine-2-carboxylic acid (CAS 1217698-68-4)
- N-(2,2-difluorocyclopentyl)thietan-3-amine (CAS 1864665-23-5)
- 5-Iodo-2-methoxynicotinic acid (CAS 1407521-93-0)
- Insulin Degludec Impurity 28 (CAS CATO-C4X-215728)
Why CATO?
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