4-Butyl-7,8-dihydroxy-2h-chromen-2-one CAS 19040-68-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19040-68-7 |
| Molecular Formula | C13H14O4 |
| Molecular Weight | 234.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Butyl-7,8-dihydroxy-2h-chromen-2-one (CAS 19040-68-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H14O4. Molecular weight: 234.25 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H14O4 |
| Molecular Weight | 234.25 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
Related Butyl Standards
- 4-Butyl-6,7-dihydroxy-2h-chromen-2-one (CAS 16574-05-3)
- 1-(5,7-Dihydroxy-2,2-dimethyl-2H-chromen-6-yl)ethanone (CAS 31380-13-9)
- 1-(5,7-Dihydroxy-2,2-dimethyl-2H-chromen-8-yl)ethanone (CAS 31380-14-0)
- Ethyl 2,4-dihydroxy-1,8-naphthyridine-3-carboxylate (CAS 1186189-28-5)
- (E)-1-(2,4-Dihydroxy-3,5-dimethylphenyl)hex-4-en-1-one (CAS 79950-82-6)
- Ethyl 2,4-dihydroxy-1,7-naphthyridine-3-carboxylate (CAS 54920-75-1)
- 3-Acetyl-5,7-dihydroxy-2-methyl-4H-1-benzopyran-4-one (CAS 1022-78-2)
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Recommended Standards
- 1,2-Benzenedicarboxylic Acid Mono-4-pentenyl Ester 1,2-Benzenedicarboxylic Acid, 1-(4-Penten-1-yl) Ester 190184-82-8 Mono(4-pentenyl)phthalate (CAS 190184-82-8)
- 1-(4-ethoxyphenyl)hexahydropyrimidine-2,4-dione (CAS 19144-78-6)
- Ethyl 3-cyano-2-hydroxy-6-isopropylisonicotinate (CAS 18924-80-6)
- (2-Chlorophenyl)(2-((4-methylpiperazin-1-yl)methyl)phenyl)methanone (CAS 898783-31-8)
- 1-Phenyl-3-(2-(piperidin-1-yl)ethoxy)isoquinoline (CAS 89707-14-2)
- 2-Fluoro-4-iodo-5-methylpyridine (CAS 153034-94-7)
- Methyl 2-(2,6-dichloro-9H-purin-9-yl)acetate (CAS 862374-04-7)
- Pioglitazone Hydrochloride (CAS 112529-15-4)
- Bis-N1,N2-Bis[2-[(4S)-4,5-dihydro-4-methyl-2-oxazolyl]phenyl]-1,2-benzenediamine (CAS 1616881-97-0)
- Tirzepatide Impurity 23 X TFA Salt (CAS CATO-C4X-324023)
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