N-Acetyl-β-neuraminic AcidDISCONTINUED, duplicate of A187000 CAS 19342-33-7

Purity 97%+In StockPharmaceutical Standards
CAS No.19342-33-7
Molecular FormulaC11H19NO9
Molecular Weight309.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-Acetyl-β-neuraminic AcidDISCONTINUED, duplicate of A187000 CAS 19342-33-7 chemical structure

Description

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

N-Acetyl-β-neuraminic AcidDISCONTINUED, duplicate of A187000 (CAS 19342-33-7) is a high-purity analytical reference standard with the molecular formula C11H19NO9 and a molecular weight of 309.27 g/mol.

Structurally, N-Acetyl-β-neuraminic AcidDISCONTINUED, duplicate of A187000 (C11H19NO9) contains a carbohydrate-derived structure, an amide group. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 309.27 g/mol, it falls into the moderately-high-molecular-weight range. 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 manufactures N-Acetyl-β-neuraminic AcidDISCONTINUED, duplicate of A187000 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 FormulaC11H19NO9
Molecular Weight309.27 g/mol
AppearanceWhite to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1962
Nitrogen Atoms1

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