2-Phenyl-[1,2,4]triazolo[1,5-a]pyrimidine CAS 55643-77-1
| CAS No. | 55643-77-1 |
| Molecular Formula | C11H8N4 |
| Molecular Weight | 196.21 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.
2-Phenyl-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 55643-77-1), molecular formula C11H8N4 and molecular weight 196.21 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, 2-Phenyl-[1,2,4]triazolo[1,5-a]pyrimidine is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 196.21 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 2-Phenyl-[1,2,4]triazolo[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 | C11H8N4 |
| Molecular Weight | 196.21 g/mol |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 4 |
Related Phenyl Standards
- 3-Phenyl-[1,2,4]triazolo[4,3-a]pyrazine (CAS 1201943-50-1)
- 2-Phenyl-[1,2,4]triazolo[1,5-c]pyrimidine (CAS 74537-94-3)
- 6-Phenyl-[1,2,4]triazolo[4,3-b]pyridazine (CAS 55054-92-7)
- 7-Phenyl-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 39573-72-3)
- 2-{[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}pyridine (CAS 320416-38-4)
- 3-Phenyl-[1,2,4]triazolo[4,3-a]pyridine (CAS 778-65-4)
- 832-81-5 3-Phenyl[1,2,3]triazolo[1,5-a]pyridine DTXSID80324635 (CAS 832-81-5)
- 2-(7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-6-yl)acetic acid (CAS 1017393-74-6)
Recommended Standards
- 2-Cyclohexyl-1,1,1-trifluoropropan-2-ol (CAS 681811-73-4)
- 2-cyano-3-(dimethylamino)-N-[(methoxyimino)methyl]acrylamide (CAS 303995-04-2)
- 3-(2-Imino-1,2-dihydropyrimidin-4-yl)benzonitrile (CAS 866051-26-5)
- 2-Amino-6-morpholinopyrimidin-4(3H)-one (CAS 37409-97-5)
- 3-(Isoindolin-2-yl)propan-1-amine dihydrochloride (CAS 1177924-37-6)
- 4-Methoxyphenyl 5-chloro-2-(methylthio)pyrimidine-4-carboxylate (CAS 879958-04-0)
- (1-(4-Benzylpiperazin-1-yl)cyclopropyl)methanol (CAS 2072128-97-1)
- 2-(4-Bromo-1H-imidazol-1-yl)acetic acid (CAS 1211524-53-6)
- 1-(2,3-Difluorobenzyl)cyclopropan-1-amine (CAS 1260890-52-5)
- 5-Bromo-6-chloro-2-(hydroxymethyl)pyridine (CAS 1227563-64-5)
- 3,3'-Dibromo-2,2'-bithieno[3,2-b]thiophene (CAS 1687726-45-9)
- 2-((3-Bromobenzyl)oxy)isoindoline-1,3-dione (CAS 137107-28-9)
- Pyrromethene 556 (CAS 121461-69-6)
- Liraglutide-d8 Tetratrifluoroacetate (CAS 204656-20-2 (non-labelled, free base))
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