Glucosamine Sulfate EP Impurity B CAS 13185-73-4
| CAS No. | 13185-73-4 |
| Molecular Formula | C12H20N2O8 |
| Molecular Weight | 320.30 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Glucosamine Sulfate EP Impurity B (CAS 13185-73-4), a pharmacopoeial impurity reference standard (molecular formula C12H20N2O8, MW 320.30 g/mol) used for the identification and quantification of trace impurities in APIs.
Based on its molecular formula C12H20N2O8, Glucosamine Sulfate EP Impurity B contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 320.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
CATO manufactures Glucosamine Sulfate EP Impurity B 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 | C12H20N2O8 |
| Molecular Weight | 320.30 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Nitrogen Atoms | 2 |
Related Glucosamine Standards
- Glucosamine sulfate Impurity 27 (CAS 104696-22-2)
- Glucosamine EP Impurity C (CAS 17460-13-8)
- Glucosamine sulfate impurity 21 (CAS CATO-C4X-194621)
- Glucosamine sulfate impurity 20 (CAS CATO-C4X-194620)
- Glucosamine sulfate impurity 22 (CAS CATO-C4X-194622)
- D-Glucosamine 6-Sulfate (CAS 91674-26-9)
- D-Glucosamine 6-Phosphate (CAS 3616-42-0)
- α-D-Glucosamine pentaacetate (CAS 7784-54-5)
Recommended Standards
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- Nicorandil Impurity 38 (CAS CATO-C4X-190738)
- (3R,4S)-4-(4-methoxyphenyl)-2-oxo-1-azaspiro[4.4]Nonane-3-carboxylic acid (CAS 1784747-97-2)
- 4-(6-Methyl-1H-indol-3-yl)thiazol-2-amine (CAS 370077-70-6)
- 2-Methoxypyridine-4-carbothioamide (CAS 929972-07-6)
- trans,trans-4-(3,4-Difluorophenyl)-4'-propylbicyclohexyl (CAS 82832-57-3)
- 1-(Diphenylphosphoryl)-N,N-dimethylmethanesulfonamide (CAS 120991-44-8)
- 4,5-Difluorobenzene-1,2-diol (CAS 147300-08-1)
- Semaglutide impurity 40 (CAS CATO-C4X-222640)
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