7-Chloro-3-methyl-3H-[1,2,3]triazolo[4,5-d]pyrimidine CAS 21323-71-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21323-71-7 |
| Molecular Formula | C5H4ClN5 |
| Molecular Weight | 169.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 7-Chloro-3-methyl-3H-[1,2,3]triazolo[4,5-d]pyrimidine (CAS 21323-71-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H4ClN5. Molecular weight: 169.57 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H4ClN5 |
| Molecular Weight | 169.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Chloro Standards
- 7-chloro-1H-pyrazolo[4,3-d]pyrimidin-5-amine (CAS 1086398-36-8)
- 2-Chloro-4-methoxypyrimidine-5-carbonitrile (CAS 1106295-93-5)
- 3-Chloro-[1,2,4]triazolo[4,3-b]pyridazin-6-amine (CAS 1150888-24-6)
- 7-Chloro-3H-imidazo[4,5-b]pyridine 4-oxide (CAS 115953-98-5)
- 7-Chloro-2-methyloxazolo[5,4-d]pyrimidine (CAS 118767-93-4)
- 3-Chloro-6-(hydroxymethyl)pyrazine-2-carbonitrile (CAS 1257072-48-2)
- 7-Chloro[1,2,4]triazolo[4,3-c]pyrimidin-5-amine (CAS 1306739-68-3)
- 5-Chloro-3-(furan-2-yl)-1H-1,2,4-triazole (CAS 1315346-11-2)
Recommended Standards
- 7-Chloro-1H-imidazo[4,5-d]pyridazin-4-amine (CAS 408517-63-5)
- 7-Chlorobenzo[c][1,2,5]oxadiazol-4-amine (CAS 80277-06-1)
- 7-Chloro-1H-imidazo[4,5-c]pyridin-2(3H)-one (CAS 929074-46-4)
- 6-(4-Bromophenyl)-5,7-diazaspiro[3.4]Oct-5-en-8-one (CAS 2166726-90-3)
- 3-Bromo-5-fluoro-4-nitrobenzoic acid (CAS 1807181-70-9)
- cis-2-(3-Fluorobenzoyl)cyclopentane-1-carboxylic acid (CAS 733740-15-3)
- 6-methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine (CAS 71472-57-6)
- Methyl 4-chloro-6-(hydroxymethyl)nicotinate (CAS 1253792-68-5)
- 758-24-7 C0938Q37MI 1,1-Difluoro-2-bromo-2-chloroethylene 1- Bromo-1-chloro-2,2-difluoroethene 1-Bromo-1-chloro-2,2-difluoroethylene Ethylene, 1-bromo-1-chloro-2,2-difluoro- 4-01-00-00720 (Beilstein Handbook Reference) BRN 1740591 1-Bromo-1-chloro-2,2-difluoroethene 2-Bromo-2-chloro-1,1-difluoroethylene EINECS 212-062-8 UNII-C0938Q37MI (CAS 758-24-7)
- Neuropeptide Y (2-36), amide, porcine (CAS 102961-52-4)
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