The CAS register number of 1H-Indole-2-carboxylicacid, hydrazide is 5055-39-0. It also can be called as 2-Indolecarboxylichydrazide. The molecular formula about this chemical is C₉H₉N₃O and the molecular weight is 175.19. This chemical may cause inflammation to the skin or other mucous membranes.

Physical properties about 1H-Indole-2-carboxylicacid, hydrazide are: (1)ACD/LogP: 0.17; (2)ACD/BCF (pH 5.5): 1; (3)ACD/BCF (pH 7.4): 1; (4)ACD/KOC (pH 5.5): 18.51; (5)ACD/KOC (pH 7.4): 18.58; (6)#H bond acceptors: 4; (7)#H bond donors: 4; (8)#Freely Rotating Bonds: 2; (9)Polar Surface Area: 28.48 Å²; (10)Index of Refraction: 1.719; (11)Molar Refractivity: 51.05 cm³; (12)Molar Volume: 129.3 cm³; (13)Polarizability: 20.23x10^-24cm³; (14)Surface Tension: 69.1 dyne/cm; (15)Density: 1.353 g/cm³. 

Preparation: this chemical can be prepared by indole-2-carboxylic acid ethyl ester. This reaction will need reagent of H₂NNH₂*H₂O. The reaction needs heating. The yield is about 98%.

Uses of 1H-Indole-2-carboxylicacid, hydrazide: it can be used to produce 5-indol-2-yl-3H-[1,3,4]oxadiazole-2-thione with carbon disulfide. This reaction will need reagent of KOH and solvent of ethanol, H₂O. This reaction needs heating. The reaction time is 6 hours. The yield is about 82%.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(c2cc1ccccc1n2)NN
(2)InChI: InChI=1/C9H9N3O/c10-12-9(13)8-5-6-3-1-2-4-7(6)11-8/h1-5,11H,10H2,(H,12,13)
(3)InChIKey: DZLFRQHFFVRYEE-UHFFFAOYAJ
(4)Std. InChI: InChI=1S/C9H9N3O/c10-12-9(13)8-5-6-3-1-2-4-7(6)11-8/h1-5,11H,10H2,(H,12,13)
(5)Std. InChIKey: DZLFRQHFFVRYEE-UHFFFAOYSA-N