CAS Registry Number 25128-35-2
Name:
1H-​Indole-​7-​carboxylic acid, 2,​3-​dihydro-​2,​3-​dioxo-
7-Indolinecarboxylic acid, 2,3-dioxo- (6CI,8CI)
2,3-Dihydro-2,3-dioxo-1H-indole-7-carboxylic acid
2,3-Dioxo-2,3-dihydro-1H-indole-7-carboxylic acid
2,3-Dioxo-7-indolinecarboxylic acid
Isatin-7-carboxylic acid

Chemical Formula: C9H5NO4
Exact Mass: 191.02
Molecular Weight: 191.14
m/z: 191.02 (100.0%), 192.03 (9.9%), 193.03 (1.3%)

InChI:InChI=1S/C9H5NO4/c11-7-4-2-1-3-5(9(13)14)6(4)10-8(7)12/h1-3H,(H,13,14)(H,10,11,12)

Specification

98%

1. (1) Waldmann, Hans; Journal fuer Praktische Chemie (Leipzig) 1937, V147, P338-43 CAPLUS
2. (2) Buu-Hoi; Bulletin de la Societe Chimique de France 1947, P128-36 CAPLUS
3. (3) Sandmeyer, T.; Helvetica Chimica Acta 1919, V2, P234-42 CAPLUS
4. (4) Kreysa, Frank J.; US 2776290 1957 CAPLUS