Chemical identity

N-Nitroso-Desmethyl-Sildenafil

CAS not listed · C21H27N7O5S

01Identity

Identifiers and names for this exact compound. Empty fields are left unassigned.

Lazychem IDLC-22599
PubChem CID171394945
NameN-Nitroso-Desmethyl-Sildenafil
CAS RNNot listed
Molecular formulaC21H27N7O5S
Molecular weight489.55 g/mol
IUPAC name5-(2-ethoxy-5-((4-nitrosopiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one
InChIKeyRJESWZHPZFTMBR-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 171394945
Two-dimensional chemical structure of N-Nitroso-Desmethyl-Sildenafil
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 4 rings, includes aromatic atoms, includes aliphatic carbon, contains an N-nitroso substructure. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count4
Secondary amines0
Tertiary amines1
N-methyl amine sites0
SMILESO=C1C(N(C)N=C2CCC)=C2N=C(C3=CC(S(=O)(N4CCN(N=O)CC4)=O)=CC=C3OCC)N1
InChINot listed
Formula from structureC21H27N7O5S
Molecular weight from structure489.55 g/mol

03India status for this compound

These results apply only to this exact compound name and CAS number. Confirm the current official instruments before making a regulatory decision.

NDPS / RCSNO EXACT MATCH FOUNDNo CAS number is available for an exact comparison.
SCOMETNO EXACT REVIEWED CAS MATCHNo CAS number is available for an exact comparison.
Review date2026-08-01Recheck the current official instruments for the material, concentration, activity and date in question.

04Names and relationships

Associated parent compound

Sildenafil

View API and impurity family

Other names

No synonyms are listed.

Related records from the same parent family

05Documented history

Dated discovery, occurrence, use and issue claims are published only when a suitable primary or government source is available.

No dated history available

No verified discovery, first report, occurrence, use or issue event is currently available for this identity.

06Sources