Impurities
AY-0025-004
Tofacitinib Nitroso Impurity I
C13H18N6O
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Impurity reference standard material
Tofacitinib Citrate
Material overview
Tofacitinib Citrate (AY-0025-001) — impurity reference standard material. CAS 540737-29-9, formula C22H28N6O8, molecular weight 504.49 g/mol. Request technical documentation and current availability.
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Technical identifiers
- Catalog number
- AY-0025-001
- CAS number
- 540737-29-9
- Molecular formula
- C22H28N6O8
- Molecular weight
- 504.49 g/mol
- Category
- Impurity reference standard material
- Chemical name
- (3R,4R)-4-Methyl-3-(methyl-7H-pyrrolo[2,3-d]pyrimidin-4-ylamino)-beta-oxo-1-piperidinepropanenitrile
- Synonyms
- Not listed
- SMILES
- C[C@H]1[C@@H](N(C)C2=NC=NC3=C2C=CN3)CN(C(CC#N)=O)CC1.[OH2]C(CC(C(O)=O)(O)CC(O)=O)=O
- Appearance
- White to Off-White Solid
- Light sensitive
- No
- Hygroscopic
- No
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Storage
Refrigerator
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