2-Bromo-5-(chloromethyl)-1,3,4-thiadiazole CAS 2091638-73-0
| CAS No. | 2091638-73-0 |
| Molecular Formula | C3H2BrClN2S |
| Molecular Weight | 213.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Bromo-5-(chloromethyl)-1,3,4-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.
2-Bromo-5-(chloromethyl)-1,3,4-thiadiazole (CAS 2091638-73-0) is a high-purity analytical reference standard with the molecular formula C3H2BrClN2S and a molecular weight of 213.48 g/mol.
Structurally, 2-Bromo-5-(chloromethyl)-1,3,4-thiadiazole (C3H2BrClN2S) contains a nitrile group, sulfur-containing functionality, chlorine/bromine substitution. 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 213.48 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C3H2BrClN2S |
| Molecular Weight | 213.48 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.) | 1997 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 5-Bromo-4-chlorothiazol-2-amine (CAS 1174132-80-9)
- 5-bromo-3-chloro-1H-pyrazin-2-one (CAS 21943-17-9)
- 5-bromo-2-chloro-3-methyl-pyrazine (CAS 112930-94-6)
- 1-Bromo-6-chlorohexan-3-one (CAS 174790-33-1)
- 2-bromo-4-methylpentanoyl chloride (CAS 59960-79-1)
- 5-bromo-2-(chloromethyl)pyrimidine (CAS 944903-00-8)
- 6-bromo-3-chloro-4-methylpyridazine (CAS 89283-91-0)
- 1-Bromo-7-chloroheptane (CAS 68105-93-1)
Recommended Standards
- 3-(Bromomethyl)-5-chloro-1,2,4-thiadiazole (CAS 173053-41-3)
- (R)-2,2,2-Trichloro-1-(1H-pyrrol-2-yl)ethan-1-amine (CAS 1213599-93-9)
- 2-(Bromomethyl)-5-chloro-1,3,4-thiadiazole (CAS 1352558-58-7)
- 1-(2-Bromoethyl)-4-chloro-1H-pyrazole (CAS 1011801-59-4)
- 6-Benzyloxy-1,3-dihydro-indol-2-one (CAS 458526-08-4)
- 4-(4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)benzonitrile (CAS 338979-20-7)
- 2391AF 6-Chloro-2-(2,5-dimethylphenyl)quinoline-4-carboxylic acid 897559-93-2 C18H14ClNO2 (CAS 897559-93-2)
- 4,4’-Dihydroxybenzil (CAS 33288-79-8)
- 80471-63-2 6375T36951 Epostane Epostane [USAN:INN:BAN] Androst-2-ene-2-carbonitrile, 4,5-epoxy-3,17-dihydroxy-4,17-dimethyl-, (4alpha,5alpha,17beta)- 4,5-epoxy-3,17-dihydroxy-4,17-dimethylandrost-2-ene-2-carbonitrile (4alpha,5alpha,17beta) Win 32729 Epostano [Spanish] Epostanum [Latin] Epostano Epostanum UNII-6375T36951 Win 32,729 (CAS 80471-63-2)
- 5-(3-Chloro-5-methoxyphenyl)-1,2,3,6-tetrahydropyridine hydrochloride (CAS 2409597-32-4)
- 3,4-Dihydro-2H-chromene-6-carboxylic acid (CAS 103203-84-5)
- tert-Butyl 1-[(tetrahydro-2H-pyran-4-yl)methyl]piperidin-4-ylcarbamate (CAS 1286275-85-1)
- Eriochrome Red B (CAS 3618-63-1)
- Tirzepatide Impurity 13 (CAS CATO-C4X-324013)
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