Ceftibuten Impurity 19 CAS 1140311-29-0
| CAS No. | 1140311-29-0 |
| Molecular Formula | C18H18N2O6S |
| Molecular Weight | 390.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
CATO supplies Ceftibuten Impurity 19 (CAS 1140311-29-0), a certified reference material (molecular formula C18H18N2O6S, MW 390.41 g/mol) for analytical method development and quality control.
Structurally, Ceftibuten Impurity 19 (C18H18N2O6S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 390.41 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 Ceftibuten Impurity 19 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 | C18H18N2O6S |
| Molecular Weight | 390.41 g/mol |
| Purity | 97%+ |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ceftibuten Standards
- Ceftibuten Impurity 10 (CAS CATO-C4X-189010)
- Ceftibuten Impurity 1 (CAS 103054-27-9)
- Ceftibuten Impurity 1 (CAS CATO-C4X-18901)
- Ceftibuten Impurity 2 (CAS CATO-C4X-18902)
- (E)-Ceftibuten Dihydrate (CAS 1428117-81-0)
- Ceftibuten (CAS 97519-39-6)
- Ceftibuten Impurity 4 (CAS CATO-C4X-18904)
- Ceftibuten Impurity 8 (CAS 97519-40-9)
Recommended Standards
- Falecalcitriol impurity 4 (CAS CATO-C4X-31414)
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- Falecalcitriol Impurity 1 (CAS 2454249-03-5)
- PF-4708671 (CAS 1255517-76-0)
- 1,2,4,5-tetrahydro-3-benzoxepin (CAS 5368-66-1)
- Ethyl-4-methyl-3,5-oxazole carboxylate, 97% (CAS 76284-27-0)
- 6-Hydroxybenzofuran-3-carboxylic acid (CAS 115693-71-5)
- (S)-1-(2,3-Dihydro-1H-inden-5-yl)ethan-1-amine (CAS 1212278-77-7)
- 4-Chloro-3-(2-dimethylaminoethoxy)phenylboronic acid (CAS 1256355-02-8)
- 4-Methyl-2-(piperidin-2-ylmethyl)pyridine dihydrochloride (CAS 1049738-72-8)
- 2-(Benzyloxy)-5,6,7,8-tetrahydroquinolin-5-amine (CAS 286381-93-9)
- 2-(4-Methoxyphenyl)-2-(4-methylpiperazin-1-yl)ethan-1-amine (CAS 927991-18-2)
- 2-Amino-5-bromo-3-iodo-4-methylpyridine (CAS 1150618-04-4)
- Polyphemusin II-Derived Peptide (CAS 229030-20-0)
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