Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 689105Generated: October 23, 2026

1H-Indazole-3-carboxylic acid, 1-methyl-

1-METHYL-1H-INDAZOLE-3-CARBOXYLIC ACID · Granisetron Related CoMpound D · Granisetron EP impurity D · AKOS BB-9979 · 3-Dicyclohexylurea · TIMTEC-BB SBB000193 · N'-Dicyclohexylurea · N-methylindazolic acid

https://huagongshe.com/en/chemical/689105

1H-Indazole-3-carboxylic acid, 1-methyl- molecular structure

Identifiers & Physical Properties

CAS No.50890-83-0
Molecular formulaC9H8N2O2
Average molar mass176.17 g/mol
Monoisotopic mass176.0585775 g/mol
SMILESCn1nc(C(=O)O)c2ccccc21
InChIKeyOVVDFORZEGKEJM-UHFFFAOYSA-N
PubChem CID689105
EC No.626-233-3
DTXSIDDTXSID10351050

Chemical & Physical Properties

XLogP1.4
Topological polar surface area55.1
Hydrogen bond donors1
Hydrogen bond acceptors3
Rotatable bonds1
Heavy atoms13
Formal charge0
Complexity220
Melting point213 °C
Boiling point383.7±15.0 °C(Predicted)
Density1.35±0.1 g/cm3(Predicted)
Storage conditionsKeep in dark place,Sealed in dry,Room Temperature
SolubilityDMSO (Slightly), Methanol (Slightly)Insoluble in water. Soluble in DMSO and Methanol.
pKa (acidity coefficient)3.14±0.10(Predicted)
Physical stateSolid
ColorWhite to Off White
Major applicationspharmaceutical (small molecule)
InChIInChI=1S/C9H8N2O2/c1-11-7-5-3-2-4-6(7)8(10-11)9(12)13/h2-5H,1H3,(H,12,13)
InChIKeyOVVDFORZEGKEJM-UHFFFAOYSA-N
SMILESN1(C)C2=C(C=CC=C2)C(C(O)=O)=N1
CAS DataBase Reference50890-83-0(CAS DataBase Reference)
FDA UNIIF9P5J2E2BU
UNSPSC Code41116107
NACRESNA.24
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH302-H319
GHS precautionary statementsP301+P312+P330-P305+P351+P338
Hazard symbolsXn
Risk statements (R)22-36-36/37/38
Safety statements (S)26-36/37/39-22
Water hazard class (WGK)3
Hazard NoteHarmful
Hazard classIRRITANTAcute Tox. 4 OralEye Irrit. 2
Customs code29339900
Storage class11 - Combustible Solids

Safety & Regulations

GHS classificationWarningH302 (87%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 46 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesAcute Tox. 4 (87%)
Water hazard class (WGK)3
Customs code29339900
Risk statements (R)22-36-36/37/38
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXn
hazard_noteHarmful
Safety statements (S)26-36/37/39-22
Hazard classIRRITANTAcute Tox. 4 OralEye Irrit. 2
Storage class11 - Combustible Solids
GHS hazard statementsH302-H319
GHS precautionary statementsP301+P312+P330-P305+P351+P338

Applications & Uses

Uses

1-Methylindazole-3-carboxylic acid is used as important raw material and intermediate used in organic Synthesis, pharmaceuticals, agrochemicals and dyestuff. It is also used as a pharmaceutical adjuvant, Granisetron Impurity D.

Uses

Granisetron Impurity D.