(S)-3-Hydroxy-2-methoxy-7,12-dihydrobenzo[5,6][1,4]diazepino[1,2-b]isoquinolin-14(6aH)-one CAS 1964490-26-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1964490-26-3 |
| Molecular Formula | C18H16N2O3 |
| Molecular Weight | 308.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-3-Hydroxy-2-methoxy-7,12-dihydrobenzo[5,6][1,4]diazepino[1,2-b]isoquinolin-14(6aH)-one (CAS 1964490-26-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H16N2O3. Molecular weight: 308.33 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H16N2O3 |
| Molecular Weight | 308.33 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 2 |
Related S Standards
- 1-Hydroxy-4-(2-methylenebutoxy)anthracene-9,10-dione (CAS 116053-74-8)
- 4-Hydroxy-2-oxo-1-phenyl-N-(o-tolyl)-2,5-dihydro-1H-pyrrole-3-carboxamide (CAS 1221504-62-6)
- 4-Hydroxy-2-oxo-1-phenyl-N-(m-tolyl)-2,5-dihydro-1H-pyrrole-3-carboxamide (CAS 1221504-64-8)
- 4-Hydroxy-2-oxo-1-phenyl-N-(p-tolyl)-2,5-dihydro-1H-pyrrole-3-carboxamide (CAS 1221504-65-9)
- 7-Hydroxy-6-methoxy-3-(2-(2-methoxyethoxy)ethyl)-4-methyl-2H-chromen-2-one (CAS 1338937-12-4)
- 1-(2-Hydroxy-4-methoxyphenyl)-2-(1-phenyl-1H-pyrazol-4-yl)ethanone (CAS 61034-00-2)
- 6-Hydroxy-5-(4-methoxyphenyl)-3-methyl-1-phenylpyridazin-4(1H)-one (CAS 89314-13-6)
- Ethyl 3'-hydroxy-4'-oxo-2,3,4',5,6,6',7',8'-octahydrospiro[pyran-4,9'-pyrido[1,2-a]pyrimidine]-2'-carboxylate (CAS 937262-59-4)
Recommended Standards
- 4-(2-(4-Aminophenyl)acetamido)benzene-1-sulfonyl fluoride (CAS 19188-73-9)
- ((3AR,3bS,7R,7aR,8aR)-2,2-dimethyl-5-phenyltetrahydro-7H-[1,3]dioxolo[4',5':4,5]furo[3,2-d][1,3]dioxin-7-yl)methanol (CAS 22164-09-6)
- 4-(2-(3-Aminophenyl)acetamido)benzene-1-sulfonyl fluoride (CAS 19188-70-6)
- 9-((5,6,7,8-Tetrahydronaphthalen-2-yl)sulfonyl)-1,5-dioxa-9-azaspiro[5.5]undecane (CAS 1328339-65-6)
- Pranlukast (CAS 103177-37-3)
- bicyclo[2.2.1]hept-5-ene-2-sulfonamide (CAS 7167-08-0)
- 2-(6-(Trifluoromethyl)pyridin-2-yl)propan-2-amine hydrochloride (CAS 1192356-27-6)
- 2-(Chloromethyl)-3-fluorobenzonitrile (CAS 1260814-51-4)
- 1-(3-Methylbutyl)-1h-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 926232-16-8)
- Semaglutide impurity 98 (CAS CATO-C4X-222698)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com