Impurities
AY-0162-014
Entacapone Impurity I
C14H16N2O3
Confirm availabilityView details ↗
Impurity reference standard material
Entacapone EP Impurity E
Material overview
Entacapone EP Impurity E (AY-0162-006) — impurity reference standard material. CAS 7659-29-2, formula C6H4N2O6, molecular weight 200.11 g/mol. Request technical documentation and current availability.
Confirm availability
Technical identifiers
- Catalog number
- AY-0162-006
- CAS number
- 7659-29-2
- Molecular formula
- C6H4N2O6
- Molecular weight
- 200.11 g/mol
- Category
- Impurity reference standard material
- Chemical name
- 3,5-Dinitrobenzene-1,2-diol
- Synonyms
- 3,5-Dinitrocatechol; 1,2-Dihydroxy-3,5-dinitrobenzene
- SMILES
- OC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1O
- Light sensitive
- No
- Hygroscopic
- No
Request this material
Ask about current availability, documentation, or a pack size for your program.
Request a quotationAvailable pack sizes
Contact us for pack options.
Storage
Refrigerator
Similar items
View all related materialsImpurities
AY-0162-013
Entacapone EP Impurity I
C13H12N2O6
Confirm availabilityView details ↗
Impurities
AY-0162-012
Entacapone EP Impurity D
C16H19N3O5
Confirm availabilityView details ↗
Impurities
AY-0162-011
Entacapone Methoxy Impurity
C15H17N3O5
Confirm availabilityView details ↗
Impurities
AY-0162-010
Entacapone EP Impurity H
C15H15N3O5
Confirm availabilityView details ↗
Impurities
AY-0162-009
Desethyl Entacapone
C12H11N3O5
Confirm availabilityView details ↗
Need help selecting a material?
Our catalog team can help confirm fit, grade, and availability.