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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 5373364Generated: October 23, 2026

4-Chloro-1H-imidazo[4,5-c]pyridine

4-CHLORO-1-H-IMIDAZO[4 · 4-Chloro-1-H-imidazo[4,5-c]pyridine · 3H-IMidazo[4,5-c]pyridine, 4-chloro- · 4-Chloro-1H-imidazo[4,5-c]pyridine 98% · 4-CHLORO-1-H-IMIDAZO[4,5-C]PYRIDINE ISO 9001:2015 REACH · 4-CHLORO-1-H-IMIDAZO[4,5-C]PYRIDINE4-CHLORO-1-H-IMIDAZO[4,5-C]PYRIDINE

https://huagongshe.com/en/chemical/5373364

4-Chloro-1H-imidazo[4,5-c]pyridine molecular structure

Identifiers & Physical Properties

CAS No.2770-01-6
Molecular formulaC6H4ClN3
Average molar mass153.57 g/mol
Monoisotopic mass153.00937481 g/mol
SMILESClc1nccc2[nH]cnc12
InChIKeyDHJMLXBBZRWBPW-UHFFFAOYSA-N
PubChem CID5373364
ChEMBLCHEMBL33524
EC No.810-345-6
DTXSIDDTXSID90418716

Chemical & Physical Properties

XLogP1.4
Topological polar surface area41.6
Hydrogen bond donors1
Hydrogen bond acceptors2
Rotatable bonds0
Heavy atoms10
Formal charge0
Complexity130
Melting point179-181 °C
Boiling point455.4±25.0 °C(Predicted)
Density1.531±0.06 g/cm3(Predicted)
Storage conditionsunder inert gas (nitrogen or Argon) at 2-8°C
SolubilityDMSO (Slightly, Sonicated), Methanol (Slightly, Sonicated)
Physical stateSolid
pKa (acidity coefficient)7.93±0.40(Predicted)
ColorPale Beige to Pale Brown
InChIInChI=1S/C6H4ClN3/c7-6-5-4(1-2-8-6)9-3-10-5/h1-3H,(H,9,10)
InChIKeyDHJMLXBBZRWBPW-UHFFFAOYSA-N
SMILESC1(Cl)=NC=CC2N=CNC1=2
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH302-H315-H319-H335
GHS precautionary statementsP261-P305+P351+P338
Customs code2933399990

Safety & Regulations

GHS classificationWarningH302 (100%): 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 19 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesAcute Tox. 4 (100%)
Customs code2933399990
Signal wordWarning
GHS pictogramGHS07
GHS hazard statementsH302-H315-H319-H335
GHS precautionary statementsP261-P305+P351+P338

Applications & Uses

Uses

4-Chloro-1H-imidazo[4,5-c]pyridine is used as a reagent in the synthesis of 3-bromo-3-deazaneplanocin and 3-bromo-3-deazaaristeromycin, compounds which exhibit antiviral activity.