Famotidine Impurity 29 CAS CATO-C4X-139229
| CAS No. | CATO-C4X-139229 |
| Molecular Formula | C8H15N7O2S3 |
| Molecular Weight | 337.45 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H15N7O2S3, Famotidine Impurity 29 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 337.45 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).
CATO supplies Famotidine Impurity 29 (CAS CATO-C4X-139229), a pharmacopoeial impurity reference standard (molecular formula C8H15N7O2S3, MW 337.45 g/mol) used for the identification and quantification of trace impurities in APIs.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H15N7O2S3 |
| Molecular Weight | 337.45 g/mol |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 7 |
| Sulfur Atoms | 3 |
Related Famotidine Standards
- Famotidine (CAS 76824-35-6)
- Famotidine EP Impurity C (CAS 106433-44-7)
- Famotidine impurity 62 (CAS CATO-C4X-139262)
- Famotidine-13C3 (CAS 1185241-48-8)
- Famotidine-13C-d3 (CAS 2744683-81-4)
- Famotidine-d4 (Major) (CAS CATO-C4X-139217)
- Famotidine Impurity 32 (CAS 154754-59-3)
- Famotidine Impurity 11 (CAS 90237-03-9)
Recommended Standards
- Tert-butyl endo-3-oxo-2-(2-tetrahydropyran-4-ylethyl)-8-azabicyclo[3.2.1]octane-8-carboxylate (CAS 2253686-93-8)
- Fingolimod Impurity 15 (CAS 374077-88-0)
- 7-(2-(3-Hydroxyoct-1-en-1-yl)-5-oxopyrrolidin-1-yl)hept-5-enoic acid (CAS 60380-19-0)
- Idebenone Impurity 3 (CAS CATO-C4X-30163)
- Ibrutinib Impurity 29 (CAS CATO-C4X-106429)
- Fluvoxamine impurity 41 (CAS CATO-C4X-195141)
- Pipecuronium bromide impurity 2 (CAS 74395-81-6)
- Heptanophenone (CAS 1671-75-6)
- Fexofenadine EP Impurity G (CAS 1187954-57-9)
- 4,6-dihydrofuro[3,4-b]furan-3-carboxylic acid (CAS 164797-59-5)
- 5-Methyl-2,3-dihydroimidazo[1,2-a]pyrimidine-6,7-diamine (CAS 693208-62-7)
- 1,1'-(2,3-Dimethyl-6-nitro-2,3-dihydroquinoxaline-1,4-diyl)bis(ethan-1-one) (CAS 899374-59-5)
- 5,6,7,8-Tetrahydro-benzo[4,5]thieno[2,3-d]pyrimidin-4-ylamine (CAS 4994-88-1)
- His-Aib-Semaglutide (CAS CATO-C4X-2226220)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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