Biotin-PEG3-CH2COOH CAS 1189560-96-0
| CAS No. | 1189560-96-0 |
| Molecular Formula | C18H31N3O7S |
| Molecular Weight | 433.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H31N3O7S, Biotin-PEG3-CH2COOH contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 433.52 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies Biotin-PEG3-CH2COOH (CAS 1189560-96-0), a certified reference material (molecular formula C18H31N3O7S, MW 433.52 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Biotin-PEG3-CH2COOH under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H31N3O7S |
| Molecular Weight | 433.52 g/mol |
| Purity | 97%+ |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Biotin Standards
- Biotin-PEG3-oxyamine (CAS 1786206-22-1)
- Biotin-PEG3-SH (CAS 1244028-52-1)
- Biotin EP Impurity A (CAS 1163708-46-0)
- SLC-(+)-Biotin, 97% (CAS 1864003-57-5)
- Biotin Impurity 33 (CAS 863203-60-5)
- Biotin impurity 01 (CAS 33607-60-2)
- Biotin-PEG4-OH (CAS 1217609-84-1)
- N-(Biotin)-N-bis(PEG1-alcohol) (CAS 2100306-75-8)
Recommended Standards
- Siponimod impurity 27 (CAS 800379-63-9)
- Fmoc-(2R,3S)-2-amino-3-(phenylthio)-butanoic acid (CAS 1217741-23-5)
- Palbociclib Impurity 20 (CAS CATO-C4X-112520)
- (R)-N-Fmoc-3-amino-4-(phenylthio)butanoic acid (CAS 1244724-97-7)
- 1,3-Benzenediol, polymer with 2-(chloromethyl)oxirane (CAS 25120-31-4)
- 1-(4-(Methylsulfonyl)phenyl)propan-1-one (CAS 69566-95-6)
- tert-Butyl (2-nitro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)carbamate (CAS 855738-60-2)
- 1-(Trifluoromethyl)cyclohexanol (CAS 80768-55-4)
- 2-Fluorobicyclo[1.1.1]pentane-1,3-dicarboxylic acid (CAS 2731009-62-2)
- N-(4-chlorophenethyl)-1-methylpiperidin-4-amine (CAS 30509-09-2)
- 1-(2,2,2-Trifluoroethyl)-1H-1,2,4-triazole (CAS 1340049-32-2)
- 5-Bromo-N3-(cyclopropylmethyl)pyridine-2,3-diamine (CAS 1207623-65-1)
- Methyl 3-(5-fluoro-2-(trifluoromethyl)-1H-indol-3-yl)propanoate (CAS 1223418-35-6)
- Tirzepatide Impurity 18 (CAS CATO-C4X-324018)
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 18665070610 / Nicole.chen@cato-chem.com