1-(5,7-Diphenyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)pyrrolidine-2,5-dione CAS 171668-01-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 171668-01-2 |
| Molecular Formula | C21H17N5O2 |
| Molecular Weight | 371.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(5,7-Diphenyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)pyrrolidine-2,5-dione (CAS 171668-01-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H17N5O2. Molecular weight: 371.39 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H17N5O2 |
| Molecular Weight | 371.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2006 |
| Nitrogen Atoms | 5 |
Related Diphenyl Standards
- 1,1-Diphenyl-4-(pyrrolidin-1-yl)but-2-yn-1-yl dihydrogen phosphate (CAS 57248-89-2)
- 2,2-Diphenyl-N-(4-(trifluoromethoxy)phenyl)acetamide (CAS 425372-89-0)
- (S)-5,6-Diphenyl-N-((tetrahydrofuran-2-yl)methyl)furo[2,3-d]pyrimidin-4-amine (CAS 873305-35-2)
- 5,5-Diphenyl-3-((p-tolylamino)methyl)imidazolidine-2,4-dione (CAS 983-01-7)
- 1,3-Diphenyl-1-(3-phenyl-1,2,4-thiadiazol-5-yl)guanidine (CAS 61997-65-7)
- 4-(1,3-Diphenyl-4,5-dihydro-1H-pyrazol-5-yl)-N,N-diethylaniline (CAS 88439-40-1)
- 1-(5,7-Diphenyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)pyrrolidine-2,5-dione (CAS 836640-55-2)
- Ethyl 2,4-diphenyl-6-(pyrrolidin-1-yl)pyrimidine-5-carboxylate (CAS 823795-22-8)
Recommended Standards
- (2R,3R,4S,5R)-2-(6-Amino-2-phenethyl-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 163163-46-0)
- 4,4'-(2-(4-Nitrophenyl)-1H-imidazole-4,5-diyl)dianiline (CAS 171861-33-9)
- 5-[(9-Anthrylmethyl)amino]isophthalic Acid (CAS 1612229-22-7)
- 3-(5-Hydroxy-1,2,4-triazin-6-yl)propanoic acid (CAS 1023817-46-0)
- Hydroxyzine Impurity 1 DiHCl (CAS 85293-16-9)
- 1-(5-Bromothiophen-2-yl)-N-((4-methylmorpholin-2-yl)methyl)methanamine (CAS 1280931-35-2)
- 3-cyclohexylpropanamide (CAS 4361-29-9)
- 3-(1,3-Dioxolan-2-yl)-1-(4-fluorophenyl)propan-1-one (CAS 116332-55-9)
- N-(3-Amino-2-methylphenyl)-3-(isopentyloxy)-benzamide (CAS 1020056-76-1)
- Galanin-Like Peptide (porcine) trifluoroacetate salt (CAS 245114-96-9)
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