ASYA LAB logoASYA LABSynthesis and Analysis lab
ENTR
Start an inquiry
☰
Back to catalog
Impurity reference standard material

Tadalafil EP Impurity E

Material overview

Tadalafil EP Impurity E (AY-0180-005) — impurity reference standard material. CAS 1978322-99-4, formula C22H19N3O6, molecular weight 421.40 g/mol. Request technical documentation and current availability.

Confirm availability

Technical identifiers

Catalog number
AY-0180-005
CAS number
1978322-99-4
Molecular formula
C22H19N3O6
Molecular weight
421.40 g/mol
Category
Impurity reference standard material
Chemical name
(6R,12aR,12bR)-6-(1,3-benzodioxol-5-yl)-6a-hydroxy-2-methyl-2,3,6a,7,12a,12b-hexahydropyrazino[1`,2`,1,5]-pyrrolo[3,4-b]quinoline-1,4,12(6H)-trione
Synonyms
"Pyrazino[1`,2`,1,5]pyrrolo[3,4-b]quinoline-1,4,12(6H)-trione,6-(1,3-benzodioxol-5-yl)-2,3,6a,7,12a,12b-hexahydro-6a-hydroxy-2-methyl-,(6R,12aR,12bR)
SMILES
O=C([C@@]1([H])C(C(C(C=CC=C2)=C2N3)=O)C3(O)[C@](C4=CC=C(OCO5)C5=C4)([H])N16)N(C)CC6=O
Appearance
Off-White to Light Brown Solid
Light sensitive
No
Hygroscopic
No

Request this material

Ask about current availability, documentation, or a pack size for your program.

Request a quotation

Available pack sizes

Contact us for pack options.

Storage

Refrigerator

Similar items

View all related materials

Need help selecting a material?

Our catalog team can help confirm fit, grade, and availability.

Contact catalog support