Chemical identity

Dapsone Dimer Impurity

CAS 2514651-21-7 · C24H22N4O4S2

01Identity

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

Lazychem IDLC-11960
PubChem CID125345696
NameDapsone Dimer Impurity
CAS RN2514651-21-7
Molecular formulaC24H22N4O4S2
Molecular weight494.59 g/mol
IUPAC name4,4'-(4,4'-(hydrazine-1,2-diyl)bis(4,1-phenylenesulfonyl))dianiline
InChIKeyQWQRSTQAPKEYDM-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 125345696
Two-dimensional chemical structure of Dapsone Dimer Impurity, CAS 2514651-21-7
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. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count4
Secondary amines2
Tertiary amines0
N-methyl amine sites0
SMILESNC1=CC=C(C=C1)S(C2=CC=C(C=C2)NNC3=CC=C(C=C3)S(C4=CC=C(C=C4)N)(=O)=O)(=O)=O
InChINot listed
Formula from structureC24H22N4O4S2
Molecular weight from structure494.59 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 FOUNDCAS 2514651-21-7 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 2514651-21-7 has no exact match in the reviewed SCOMET list.
Review date2026-08-01Recheck the current official instruments for the material, concentration, activity and date in question.

04Names and relationships

Associated parent compound

Dapsone

View API and impurity family

Other names

  • 4,4’-Bis(p-aminobenzenesulfonyl)hydrazobenzene

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