Biotin EP Impurity A CAS 1163708-46-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1163708-46-0 |
| Molecular Formula | C18H28N4O4S2 |
| Molecular Weight | 428.57 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Biotin EP Impurity A (CAS 1163708-46-0), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H28N4O4S2. Molecular weight: 428.57 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H28N4O4S2 |
| Molecular Weight | 428.57 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
Related Biotin Standards
- SLC-(+)-Biotin, 97% (CAS 1864003-57-5)
- Biotin impurity 01 (CAS 33607-60-2)
- Biotin-PEG3-CH2COOH (CAS 1189560-96-0)
- Biotin-PEG3-oxyamine (CAS 1786206-22-1)
- Biotin-PEG3-SH (CAS 1244028-52-1)
- Biotin-PEG4-OH (CAS 1217609-84-1)
- N-(Biotin)-N-bis(PEG1-alcohol) (CAS 2100306-75-8)
- Biotin-PEG3-Amine (CAS 359860-27-8)
Recommended Standards
- N',N'-Dibenzyl-N-(4-tert-butylphenyl)butanediamide (CAS 271775-69-0)
- Peptide Impurity 41 (CAS CATO-CPTD788841)
- 6-(5-(2-(1-Ethylquinolin-4(1H)-ylidene)ethylidene)-4-oxo-2-thioxothiazolidin-3-yl)hexanoic acid (CAS 89695-36-3)
- Opicapone impurity 24 (CAS CATO-C4X-240424)
- Dobutamine Impurity 7 (CAS 126521-63-9)
- 2-Cyclopropyl-N-isopropyl-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide (CAS 1350711-47-5)
- [5-(4-Bromophenyl)-3-methylisoxazol-4-yl]carbamic acid 1-(2-chlorophenyl)ethyl ester (CAS 1228689-78-8)
- N-(2-((2-(dimethylamino)ethyl)(methyl)amino)-5-guanidino-4-methoxyphenyl)acrylamide (CAS 1810048-29-3)
- Atorvastatin EP Impurity A HCl (CAS 433289-84-0(free base))
- Peptide Impurity 12 (CAS CATO-CPTD788812)
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