12,13-Dihydro-11H-10b,13a-diazabenzo[2,3]azuleno[7,8,1-lma]fluoren-12-ol CAS 904816-98-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 904816-98-4 |
| Molecular Formula | C21H16N2O |
| Molecular Weight | 312.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 12,13-Dihydro-11H-10b,13a-diazabenzo[2,3]azuleno[7,8,1-lma]fluoren-12-ol (CAS 904816-98-4) pharmaceutical standards reference standard. Molecular formula: C21H16N2O. Molecular weight: 312.36 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C21H16N2O |
| Molecular Weight | 312.36 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related Dihydro Standards
- (+/-)-Dihydro-4-[[3-methoxy-4-(phenylmethoxy)phenyl]methyl]-2(3H)-furanone (CAS 92831-74-8)
- 2-(4-Oxo-4,5-dihydro-3H-pyrimido[5,4-b]indol-3-yl)-N-pentylacetamide (CAS 1105203-21-1)
- 2,3-Dihydro-2-spiro-7'-[8'-imino-7',8'-dihydronaphthalen-1'-amine]perimidine (CAS 851768-62-2)
- 1-(3,4-Dihydro-2H-1-Benzopyran-3-yl-4-(4-Fluorophenyl)Piperazine (CAS 83823-55-6)
- 2-(3-Oxo-3,4-dihydro-2H-benzo[b][1,4]thiazin-2-yl)-N-(p-tolyl)acetamide (CAS 106691-37-6)
- (2,3-Dihydro-1,4-benzodioxin-6-ylmethyl)({4-[(dimethylamino)methyl]phenyl}methyl)amine (CAS 1014247-57-4)
- 2-[(3-Oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)carbamoyl]benzoic acid (CAS 866144-71-0)
- 2-Phenyl-2,3-dihydro-1H-indene (CAS 22253-11-8)
Recommended Standards
- 1-[1-(tert-Butoxycarbonyl)-4-piperidinyl]-5-oxo-3-pyrrolidinecarboxylic acid (CAS 937601-51-9)
- 1-Benzyl-2-phenylquinazolin-4(1H)-one (CAS 66866-31-7)
- 1,4,5-Triphenyl-1H-pyrazol-3(2H)-one (CAS 5022-92-4)
- Sulfo-Cy5 amine (CAS 2183440-44-8)
- (2S,3S)-3-((1H-imidazol-1-yl)methyl)tetrahydrofuran-2-carboxylic acid (CAS 1820580-03-7)
- 2-(2-Bromophenyl)morpholine hydrochloride (CAS 2512215-81-3)
- 5-Amino-2-[(4-nitrophenyl)amino]-1,3-thiazole-4-carbonitrile (CAS 134312-09-7)
- 7-Methylguanosine (CAS 20244-86-4)
- Ethyl 5-(5-chlorothiophen-2-yl)isoxazole-3-carboxylate (CAS 323594-72-5)
- Semaglutide impurity 92 (CAS CATO-C4X-222692)
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