5-(Chloromethyl)-3-methyl-1,2,4-thiadiazole CAS 163009-79-8
| CAS No. | 163009-79-8 |
| Molecular Formula | C4H5ClN2S |
| Molecular Weight | 148.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-(Chloromethyl)-3-methyl-1,2,4-thiadiazole 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.
CATO supplies 5-(Chloromethyl)-3-methyl-1,2,4-thiadiazole (CAS 163009-79-8), a certified reference material (molecular formula C4H5ClN2S, MW 148.61 g/mol) for analytical method development and quality control.
Based on its molecular formula C4H5ClN2S, 5-(Chloromethyl)-3-methyl-1,2,4-thiadiazole contains a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 148.61 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C4H5ClN2S |
| Molecular Weight | 148.61 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.) | 2003 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloromethyl Standards
- 2-Methyl-5-chloromethyl-1,3,4-thiadiazole (CAS 75341-23-0)
- 5-(Chloromethyl)thiazol-2-amine (CAS 69341-83-9)
- 5-Chloromethyl-4-methyl-[1,2,3]thiadiazole (CAS 82172-42-7)
- 4-(chloromethyl)-1,3-dimethyl-1H-pyrazole (CAS 1119833-69-0)
- 2-(Chloromethyl)cyclohexanol (CAS 113662-55-8)
- 5-(chloromethyl)-1-ethyl-pyrazole (CAS 1170981-19-7)
- 2-(chloromethyl)-5-methylpyrimidine (CAS 126504-85-6)
- 5-(chloromethyl)-2-methylpyrimidine (CAS 126504-86-7)
Recommended Standards
- 4-(1-chloroethyl)-1,2,3-thiadiazole (CAS 1416331-47-9)
- 3-Chlorothiophene-2-methanol (CAS 193602-41-4)
- (2-Chlorothiazol-4-yl)methanamine (CAS 139425-75-5)
- 2-Chloro-5-ethyl-1,3,4-thiadiazole (CAS 71859-81-9)
- N-{5-Acetyl-6-[2-(dimethylamino)vinyl]-2-oxo-2H-pyran-3-yl}-3-(trifluoromethyl)benzenecarboxamide (CAS 1164529-66-1)
- 3-(2,5-Dimethoxyphenyl)-N-(naphthalen-1-yl)-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide (CAS 483995-61-5)
- 2-{[(3-chlorophenyl)methyl]sulfanyl}acetic acid (CAS 34722-33-3)
- 2-{5,6-dimethyl-4-oxo-3h,4h-thieno[2,3-d]pyrimidin-3-yl}acetic acid (CAS 371136-36-6)
- 6,10,11-Triethylcarbonate-1-demethyl Daunomycinone (CAS 67665-62-7)
- 6-Amino-1-methyl-5-((2,2,6,6-tetramethylpiperidin-4-yl)amino)pyrimidine-2,4(1H,3H)-dione (CAS 853689-08-4)
- 5-(Bromomethyl)-2-chlorobenzonitrile (CAS 99613-64-6)
- 2-Amino-3-ethylpentanoic acid hydrochloride (CAS 57224-45-0)
- 2-(4-(tert-Butyl)pyrimidin-2-yl)ethan-1-amine (CAS 944898-71-9)
- Semaglutide impurity 57 (CAS 2773558-06-6)
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