7-Chloro-3-ethyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-5-amine CAS 5457-92-1
| CAS No. | 5457-92-1 |
| Molecular Formula | C6H7ClN6 |
| Molecular Weight | 198.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
7-Chloro-3-ethyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-5-amine (CAS 5457-92-1) is a high-purity analytical reference standard with the molecular formula C6H7ClN6 and a molecular weight of 198.61 g/mol.
Owing to a nitrile group, chlorine substitution, an aromatic ring system, 7-Chloro-3-ethyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-5-amine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 198.61 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 7-Chloro-3-ethyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-5-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 | C6H7ClN6 |
| Molecular Weight | 198.61 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 6 |
Related Chloro Standards
- 5-Chloro-6-methoxy-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190317-66-8)
- 4-Chloro-6-methoxy-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190322-16-7)
- 4-Chloro-5-methoxy-1H,2H,3H-pyrrolo[2,3-b]pyridin-2-one (CAS 1190322-44-1)
- 6-Chloro-4-methoxy-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190322-45-2)
- 5-Chloro-2,3-dihydro-1H-pyrrolo[3,2-b]pyridine-6-carboxylic acid (CAS 1194732-28-9)
- 6-Chloro-3-(methoxymethyl)[1,2,4]triazolo[4,3-b]pyridazine (CAS 1204296-35-4)
- {7-chloro-3-methyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl}methanol (CAS 1211580-75-4)
- 3-Chloro-1,8a-dihydroimidazo[1,2-a]pyridine-8-carboxylic acid (CAS 1257852-46-2)
Recommended Standards
- 7-Chloro-3,4-dihydropyrido[2,3-f][1,4]oxazepin-5(2H)-one (CAS 2306263-78-3)
- 7-Chloro-5-(methoxymethyl)-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 926245-01-4)
- 7-Amino-6-chloro-3,4-dihydro-2h-1,4-benzoxazin-3-one (CAS 40401-45-4)
- 9-(2-Chloroethyl)-1H-purin-6(9H)-one (CAS 22247-83-2)
- (S)-3-Amino-3-(4-isopropylphenyl)propanoic acid (CAS 1228561-25-8)
- 1-(1,2,4-Oxadiazol-5-yl)cyclopropan-1-amine (CAS 1693846-39-7)
- N,N-Dimethyl-4-vinylbenzamide (CAS 2681-30-3)
- Lefamulinum Impurity 13 (CAS CATO-C4X-304713)
- tert-butyl N-(8-methyl-1,2,3,4-tetrahydroquinolin-5-yl)carbamate (CAS 1016689-69-2)
- 1-(9H-Fluoren-2-yl)-2-(triphenylphosphoranylidene)ethanone (CAS 88092-98-2)
- 5-(Aminomethyl)-2-chlorophenol (CAS 943816-63-5)
- Tribenzylstannyl Acetate (CAS 10113-31-2)
- 5-Ethoxy-1H-indole-2-carbohydrazide (CAS 30464-76-7)
- Insulin Degludec Impurity 26 (CAS CATO-C4X-215726)
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