2-(2-(1H-Imidazol-1-yl)ethyl)-4-(pyridin-3-yl)phthalazin-1(2H)-one CAS 137381-31-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 137381-31-8 |
| Molecular Formula | C18H15N5O |
| Molecular Weight | 317.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(2-(1H-Imidazol-1-yl)ethyl)-4-(pyridin-3-yl)phthalazin-1(2H)-one (CAS 137381-31-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H15N5O. Molecular weight: 317.34 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H15N5O |
| Molecular Weight | 317.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 5 |
Related H Standards
- 1-(4-(1H-Imidazol-5-yl)piperidin-1-yl)-5-cyclohexylpentan-1-one (CAS 152241-24-2)
- 2-(2-(1H-Imidazol-2-yl)phenyl)-5-(tert-butyl)-1H-benzo[d]imidazole (CAS 824394-94-7)
- 3-{2-[4-(1H-Imidazol-1-yl)phenyl]-2-oxoethyl}-2-benzofuran-1(3H)-one (CAS 477850-47-8)
- 8-(1H-Imidazol-1-yl)-2-methyl-3-phenyl-6,7-dihydro-5H-cyclopenta[d]pyrazolo[1,5-a]pyrimidine (CAS 896838-67-8)
- 4-(4-(1H-Imidazol-1-yl)phenyl)-1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid (CAS 1354706-33-4)
- 4-((3-(1H-imidazol-1-yl)propyl)amino)-3-nitro-2H-chromen-2-one (CAS 294853-70-6)
- 1-(2-(1H-imidazol-5-yl)ethyl)-3-(4-fluorobenzyl)-4-hydroxypyridin-2(1H)-one (CAS 478247-92-6)
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Recommended Standards
- 1-(4-((Tert-butoxycarbonyl)amino)benzyl)-1H-imidazole-5-carboxylic acid (CAS 1355229-12-7)
- Methyl [(4Z)-4-[(dimethylamino)methylene]-1-(4-methoxyphenyl)-5-oxo-4,5-dihydro-1H-pyrazol-3-yl]acetate (CAS 1379821-56-3)
- (R)-2-((tert-butoxycarbonyl)amino)-3-(quinazolin-4-yl)propanoic acid (CAS 1354970-42-5)
- 5,6-Dimethoxy-2,3-dihydro-1H-indene-1-carboxylic acid (CAS 19156-11-7)
- 4-(tert-Butyl)-N-[4-(hydrazinocarbonyl)phenyl]-benzamide (CAS 462068-82-2)
- 1-(1-Ethyl-1h-pyrazol-3-yl)ethan-1-one (CAS 1004193-93-4)
- 4'-Fluoro-3'-methoxy-[1,1'-biphenyl]-2-ol (CAS 1261896-42-7)
- Diacetamide-d7 (CAS 33945-50-5)
- (5β,6β)-Epoxy-17α-hydroxy-pregnane-3,20-dione-3,20-bis(ethyleneketal) (CAS 117898-52-9)
- Peptide Impurity 81 TFA (CAS CATO-CPTD788581)
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