2,5,7-trimethylpyrazolo[1,5-a]pyrimidine CAS 112581-74-5
| CAS No. | 112581-74-5 |
| Molecular Formula | C9H11N3 |
| Molecular Weight | 161.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2,5,7-trimethylpyrazolo[1,5-a]pyrimidine (C9H11N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 161.20 g/mol, it falls into the medium-molecular-weight range. 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).
2,5,7-trimethylpyrazolo[1,5-a]pyrimidine (CAS 112581-74-5), molecular formula C9H11N3 and molecular weight 161.20 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2,5,7-trimethylpyrazolo[1,5-a]pyrimidine 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 | C9H11N3 |
| Molecular Weight | 161.20 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | 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.) | 1989 |
| Nitrogen Atoms | 3 |
Related trimethylpyrazolo Standards
- 2,5,6-Trimethylpyrazolo[1,5-a]pyridine (CAS 234754-44-0)
- 1,3,6-Trimethylpyrazolo[1,5-a]pyrimidin-7(1H)-one (CAS 90559-16-3)
- 2,5,6-Trimethylpyrazolo[1,5-a]pyrimidin-7-ol (CAS 478077-89-3)
- 2,5,7-Trimethylpyrazolo[1,5-a]pyrimidin-6-ol (CAS 2749532-91-8)
- 3,4,6-Trimethylpyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 4081-82-7)
- 2,5,7-Trimethylpyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 146778-12-3)
- 2,4,6-Trimethylpyrazolo[1,5-a]pyrazine-3-carbaldehyde (CAS 94813-92-0)
- n,5,7-Trimethylpyrazolo[1,5-a]pyrimidine-3-carboxamide (CAS 1380717-12-3)
Recommended Standards
- N,N-Dimethylimidazo[1,2-a]pyridin-3-amine (CAS 112357-05-8)
- 1,2,3,4-Tetrahydrobenzo[b]azepin-5-one (CAS 1127-74-8)
- 2-(Pyridin-3-yl)-1,4,5,6-tetrahydropyrimidine (CAS 112147-36-1)
- 4-Cyclopropylbenzamide (CAS 1129-08-4)
- 1-(Trifluoromethoxy)-2-[2-(trifluoromethoxy)ethoxy]ethane (CAS 329710-73-8)
- tert-Butyl 4-((tert-butylsulfinyl)imino)piperidine-1-carboxylate (CAS 885500-50-5)
- 5-(3-Chloro-4-fluorophenyl)-3-methyl-3-(pyrimidin-5-ylmethyl)-1-(1H-1,2,4-triazol-3-yl)indolin-2-one (CAS 1141080-15-0)
- 5-Chloro-6-methyl-3-(pyrrolidin-1-yl)-1,2,4-triazine (CAS 1023818-03-2)
- (βS)-β-[[(9H-Fluoren-9-ylmethoxy)carbonyl]amino]-2-(trifluoromethyl)benzenebutanoic Acid (CAS 270065-75-3)
- 3-Chloro-1-methyl-5,6-dihydroisoquinoline-4-carbonitrile (CAS 95306-42-6)
- 5-(Chloromethyl)-3-(3,5-dichlorophenyl)-1,2,4-oxadiazole (CAS 1700115-36-1)
- 4-Chloro-2-nitrobenzene-1-sulfonamide (CAS 13852-81-8)
- (2R)-2-amino-3-(oxan-4-yl)propanoic acid hydrochloride (CAS 1207447-38-8)
- Insulin Degludec Impurity 9 (CAS CATO-C4X-21579)
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