PFAS
Global PFAS Screening Tool
No. of Substances: 18960
K252b
9,12-Epoxy-1H-diindolo[1,2,3-fg:3',2',1'-kl]pyrrolo[3,4-i][1,6]benzodiazocine-10-carboxylicacid,2,3,9,10,11,12-hexahydro-10-hydroxy-9-methyl-1-oxo-,(9S,10R,12R), K-252b solution, MFCD00132117, (15R,16S,18S)-16-Hydroxy-15-methyl-3-oxo-28-oxa-4,14,19-triazaoctacyclo[12.11.2.1.0.0.0.0.0]octacosa-1,6,8,10,12,20,22,24,26-nonaene-16-carboxylic acid, 6,9-Epoxy-15H-diindolo[1,2,3-fg:3',2',1'-kl]pyrrolo[3,4-i][1,6]benzodiazocine-7-carboxylic acid, 6,7,8,9,16,17-hexahydro-7-hydroxy-6-methyl-15-oxo-, (6R,7S,9S)-, (5R,6S,8S)-6-hydroxy-5-methyl-13-oxo-5,6,7,8,14,15-hexahydro-13H-5,8-epoxy-4b,8a,14-triazadibenzo[b,h]cycloocta[1,2,3,4-jkl]cyclopenta[e]-as-indacene-6-carboxylic acid
CAS Number: 99570-78-2
IUPAC name: (15S,16R,18R)-16-hydroxy-15-methyl-3-oxo-28-oxa-4,14,19-triazaoctacyclo[12.11.2.115,18.02,6.07,27.08,13.019,26.020,25]octacosa-1,6,8,10,12,20,22,24,26-nonaene-16-carboxylic acid
Molecular formula: C26H19N3O5
Molecular weight: 453.446
InChI: InChI=1S/C26H19N3O5/c1-25-26(33,24(31)32)10-17(34-25)28-15-8-4-2-6-12(15)19-20-14(11-27-23(20)30)18-13-7-3-5-9-16(13)29(25)22(18)21(19)28/h2-9,17,33H,10-11H2,1H3,(H,27,30)(H,31,32)/t17-,25+,26+/m1/s1
InChIKey: AMSOPBXQXSAAAC-PLZPTFKGSA-N
SMILES: -
EINECS: C[C@@]12[C@](C[C@@H](O1)N3C4=CC=CC=C4C5=C6C(=C7C8=CC=CC=C8N2C7=C53)CNC6=O)(C(=O)O)O
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Substance Information
CAS Number:
99570-78-2
Chemical Name:
K252b
Chinese name:
K-252B
Date of inquiry :
Apr 5, 2026 14:34:58
Inquiry website:
https://www.chemradar.com/tools/fcmdGCIS inquiry report
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