Tryptophan impurity 32 CAS 2306500-74-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 2306500-74-1 |
| Molecular Formula | C11H12N2O5S |
| Molecular Weight | 284.29 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Tryptophan impurity 32 (CAS 2306500-74-1), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H12N2O5S. Molecular weight: 284.29 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H12N2O5S |
| Molecular Weight | 284.29 g/mol |
| Purity | 97%+ |
| 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.) | 1999 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Tryptophan Standards
- Tryptophan Impurity 45 (CAS 2306500-72-9)
- Tryptophan Impurity 51 (CAS CATO-C4X-137351)
- Tryptophan Impurity 12 (CAS 56777-76-5)
- D-Tryptophan benzyl ester (CAS 141595-98-4)
- D-tryptophan, 1,1-dimethylethyl ester (CAS 788814-10-8)
- Tryptophan Impurity 20 (CAS CATO-C4X-137320)
- Tryptophan Impurity 47 (CAS 71463-28-0)
- Tryptophan Impurity 9 (CAS 141215-69-2)
Recommended Standards
- Sunitinib Impurity 68 (CAS CATO-C4X-133368)
- Tazobactam Impurity 43 (CAS 904671-24-5)
- Methotrexate Impurity 34 (CAS CATO-C4X-115434)
- Loxoprofen Impurity 137 (CAS CATO-C4X-1488137)
- Methylprednisolone Acetate EP Impurity F (CAS CATO-C4X-19198)
- 1-(3-Hydroxyphenyl)cyclobutane-1-carboxylic acid (CAS 1307837-71-3)
- Cariprazine Impurity 16 (CAS 76325-96-7)
- 4-Methoxyphenyl 2,4,6-Tri-O-benzyl- β-D-galactopyranoside (CAS 247027-79-8)
- Benzyl 5-methylspiro[1,2-dihydroindole-3,4'-piperidine]-1'-carboxylate (CAS 1160247-23-3)
- Des-Ile12-Aib13-Tirzepatide (CAS CATO-CPTD788960)
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