Impurities
AY-0267-003
Celecoxib EP Impurity B
C17H14F3N3O2S
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Impurity reference standard material
Celecoxib EP Impurity A
Material overview
Celecoxib EP Impurity A (AY-0267-002) — impurity reference standard material. CAS 170570-01-1, formula C17H14F3N3O2S, molecular weight 381.40 g/mol. Request technical documentation and current availability.
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Technical identifiers
- Catalog number
- AY-0267-002
- CAS number
- 170570-01-1
- Molecular formula
- C17H14F3N3O2S
- Molecular weight
- 381.40 g/mol
- Category
- Impurity reference standard material
- Chemical name
- (4-[5-(3-methylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulfonamide)
- Synonyms
- Celecoxib USP Related Compound A; 4-Desmethyl-3-methyl Celecoxib
- SMILES
- O=S(C1=CC=C(N2N=C(C(F)(F)F)C=C2C3=CC=CC(C)=C3)C=C1)(N)=O
- Light sensitive
- No
- Hygroscopic
- No
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Storage
Refrigerator
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