4-Chloro-1H-indazole

Modify Date: 2025-08-25 11:20:09

4-Chloro-1H-indazole Structure
4-Chloro-1H-indazole structure
Common Name 4-Chloro-1H-indazole
CAS Number 13096-96-3 Molecular Weight 152.581
Density 1.4±0.1 g/cm3 Boiling Point 309.5±15.0 °C at 760 mmHg
Molecular Formula C7H5ClN2 Melting Point 155-157ºC
MSDS Chinese USA Flash Point 169.9±6.0 °C
Symbol GHS06
GHS06
Signal Word Danger

 Names

Name 4-Chloro(1H)Indazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 309.5±15.0 °C at 760 mmHg
Melting Point 155-157ºC
Molecular Formula C7H5ClN2
Molecular Weight 152.581
Flash Point 169.9±6.0 °C
Exact Mass 152.014130
PSA 28.68000
LogP 2.41
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.703

 Safety Information

Symbol GHS06
GHS06
Signal Word Danger
Hazard Statements H301-H319
Precautionary Statements P301 + P310-P305 + P351 + P338
Hazard Codes Xi: Irritant;
RIDADR 2811.0
HS Code 2933990090

 Synthetic Route

~99%

4-Chloro-1H-indazole Structure

4-Chloro-1H-indazole

CAS#:13096-96-3

Literature: GENENTECH, INC.; F. HOFFMANN-LA ROCHE AG Patent: WO2009/146406 A1, 2009 ; Location in patent: Page/Page column 65-66 ; WO 2009/146406 A1

~70%

4-Chloro-1H-indazole Structure

4-Chloro-1H-indazole

CAS#:13096-96-3

Literature: Lukin, Kirill A.; Hsu, Margaret Chi-Ping; Fernando, Dilinie P.; Kotecki, Brian J.; Leanna, Marvin R. Patent: US2007/244178 A1, 2007 ; Location in patent: Page/Page column 12 ;

~80%

4-Chloro-1H-indazole Structure

4-Chloro-1H-indazole

CAS#:13096-96-3

Literature: Journal of Organic Chemistry, , vol. 71, # 21 p. 8166 - 8172

~%

4-Chloro-1H-indazole Structure

4-Chloro-1H-indazole

CAS#:13096-96-3

Literature: Liebigs Annalen der Chemie, , # 6 p. 908 - 927

~%

4-Chloro-1H-indazole Structure

4-Chloro-1H-indazole

CAS#:13096-96-3

Literature: Organic Preparations and Procedures International, , vol. 43, # 4 p. 354 - 359

~%

4-Chloro-1H-indazole Structure

4-Chloro-1H-indazole

CAS#:13096-96-3

Literature: Justus Liebigs Annalen der Chemie, , vol. 451, p. 285,302

~%

4-Chloro-1H-indazole Structure

4-Chloro-1H-indazole

CAS#:13096-96-3

Literature: Justus Liebigs Annalen der Chemie, , vol. 451, p. 285,302

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

4-CHLORO (1H)INDAZOLE
4-Chloro-1H-indazole
1H-Indazole, 4-chloro-
4-Chloroindazole
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