189261-10-7 3JB47N2Q2P Natalizumab Natalizumab [USAN:INN:BAN] Immunoglobulin G4, anti-(human integrin alpha4) (human-mouse monoclonal AN100226 gamma4-chain), disulfide with human-mouse monoclonal AN100226 light chain, dimer Antegren Tysabri Immunoglobulin G 4 (human-mouse monoclonal AN100226 4-chain anti-human integrin 4), disulfide with human-mouse monoclonal AN100226 light chain, dimer UNII-3JB47N2Q2P HSDB 8174 CAS 189261-10-7

Purity 97%+In StockPharmaceutical Standards
CAS No.189261-10-7
Molecular FormulaC40H55N7O11S
Molecular Weight841.97 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

189261-10-7 3JB47N2Q2P Natalizumab Natalizumab [USAN:INN:BAN] Immunoglobulin G4, anti-(human integrin alpha4) (human-mouse monoclonal AN100226 gamma4-chain), disulfide with human-mouse monoclonal AN100226 light chain, dimer Antegren Tysabri Immunoglobulin G 4 (human-mouse monoclonal AN100226 4-chain anti-human integrin 4), disulfide with human-mouse monoclonal AN100226 light chain, dimer UNII-3JB47N2Q2P HSDB 8174 CAS 189261-10-7 chemical structure

Description

As a certified reference material (CRM), 189261-10-7 3JB47N2Q2P Natalizumab Natalizumab [USAN:INN:BAN] Immunoglobulin G4, anti-(human integrin alpha4) (human-mouse monoclonal AN100226 gamma4-chain), disulfide with human-mouse monoclonal AN100226 light chain, dimer Antegren Tysabri Immunoglobulin G 4 (human-mouse monoclonal AN100226 4-chain anti-human integrin 4), disulfide with human-mouse monoclonal AN100226 light chain, dimer UNII-3JB47N2Q2P HSDB 8174 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

CATO supplies 189261-10-7 3JB47N2Q2P Natalizumab Natalizumab [USAN:INN:BAN] Immunoglobulin G4, anti-(human integrin alpha4) (human-mouse monoclonal AN100226 gamma4-chain), disulfide with human-mouse monoclonal AN100226 light chain, dimer Antegren Tysabri Immunoglobulin G 4 (human-mouse monoclonal AN100226 4-chain anti-human integrin 4), disulfide with human-mouse monoclonal AN100226 light chain, dimer UNII-3JB47N2Q2P HSDB 8174 (CAS 189261-10-7), a certified reference material (molecular formula C40H55N7O11S, MW 841.97 g/mol) for analytical method development and quality control.

Structurally, 189261-10-7 3JB47N2Q2P Natalizumab Natalizumab [USAN:INN:BAN] Immunoglobulin G4, anti-(human integrin alpha4) (human-mouse monoclonal AN100226 gamma4-chain), disulfide with human-mouse monoclonal AN100226 light chain, dimer Antegren Tysabri Immunoglobulin G 4 (human-mouse monoclonal AN100226 4-chain anti-human integrin 4), disulfide with human-mouse monoclonal AN100226 light chain, dimer UNII-3JB47N2Q2P HSDB 8174 (C40H55N7O11S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 841.97 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

Physical & Chemical Properties

Molecular FormulaC40H55N7O11S
Molecular Weight841.97 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)17.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2011
Nitrogen Atoms7
Sulfur Atoms1

Recommended Standards

Why CATO?