5-Hydroxy Tryptophan CAS 56-69-9
Purity >95%In StockPharmaceutical Standards
| CAS No. | 56-69-9 |
| Molecular Formula | C11H12N2O3 |
| Molecular Weight | 220.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Hydroxy Tryptophan (CAS 56-69-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C11H12N2O3. Molecular weight: 220.22 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C11H12N2O3 |
| Molecular Weight | 220.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, 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.) | 1957 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
- 7-Hydroxy-3-(2-hydroxyethyl)-4-methyl-2h-chromen-2-one (CAS 10185-02-1)
- 6-Hydroxy-L-tryptophan (CAS 13567-14-1)
- 2-(6-Hydroxy-1H-indazol-1-yl)butanoic acid (CAS 1357945-77-7)
- Methyl 2-(6-hydroxy-7-methylbenzofuran-3-yl)acetate (CAS 1380390-17-9)
- Methyl 2-(6-hydroxy-4-methylbenzofuran-3-yl)acetate (CAS 1380390-22-6)
- Methyl 2-(6-hydroxy-5-methylbenzofuran-3-yl)acetate (CAS 1380390-26-0)
- 2-Hydroxy-3-(1-methyl-1h-indazol-3-yl)propanoic acid (CAS 1486986-61-1)
- 2-(3-Hydroxy-1-phenylcyclobutyl)-2-oxoacetic acid (CAS 1492284-95-3)
Recommended Standards
- Gliquidone Impurity 3 (CAS 55974-25-9)
- Cyclo(Tyr-Gly) (CAS 5625-49-0)
- Molnupiravir Impurity 1 (CAS 2591381-21-2)
- N-Butyl heptafluorobutyrate (CAS 1559-07-5)
- Hydrogen 1-(5,5-difluoro-7,9-dimethyl-5H-5lambda4,6lambda4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinin-3-yl)-3-oxo-7,10,13,16,19,22-hexaoxa-4-azapentacosan-25-oate (CAS 1649950-91-3)
- 2-(Difluoromethoxy)-4-iodonaphthalene (CAS 1261627-73-9)
- 4-Acetoxy-4-butylbenzophenone (CAS 890099-74-8)
- 2-(Benzylamino)-N-(4-ethoxyphenyl)-2-thioxoacetamide (CAS 329078-52-6)
- n-(4-((4-Phenylpiperazin-1-yl)sulfonyl)phenyl)acetamide (CAS 321531-92-4)
- Semaglutide Impurity 155 (x TFA Salt) (CAS CATO-C4X-2226155)
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