Chemical identity

Ponceau S

CAS not listed · C22H16N4O13S4

01Identity

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

Lazychem IDLC-108162
PubChem CID408829
NamePonceau S
CAS RNNot listed
Molecular formulaC22H16N4O13S4
Molecular weight672.7 g/mol
IUPAC name3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl]diazenyl]naphthalene-2,7-disulfonic acid
InChIKeyKMNTUASVUKNVJS-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 408829
Two-dimensional chemical structure of Ponceau S
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 amines0
Tertiary amines0
N-methyl amine sites0
SMILESC1=CC(=CC=C1N=NC2=CC(=C(C=C2)N=NC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O
InChINot listed
Formula from structureC22H16N4O13S4
Molecular weight from structure672.7 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

No parent compound is listed.

Other names

No synonyms are listed.

Related records from the same parent family

No related records are linked by parent name.

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