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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 53398545Generated: October 23, 2026

3-Chloro-2-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine

5-Chloro-6-methoxypyridine-3-boronic acid pinacol ester · 5-Chloro-6-methoxypyridine-3-boronicacidpinacolester,96% · (5-CHLORO-6-METHOXYPYRIDIN-3-YL)BORONIC ACID PINACOL ESTER · Pyridine, 3-chloro-2-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- · 3-Chloro-2-methoxy-5-(4,4,5,5-tetramethyl-[1,3,2] dioxaborolan-2-yl)-pyridine · 3-Chloro-2-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine - [C71303] · 3-chloro-2-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxyclopentylboronalkane-2-yl)pyridine

https://huagongshe.com/en/chemical/53398545

3-Chloro-2-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine molecular structure

Identifiers & Physical Properties

CAS No.1083168-91-5
Molecular formulaC12H17BClNO3
Average molar mass269.53 g/mol
Monoisotopic mass269.09900148 g/mol
SMILESCOc1ncc(B2OC(C)(C)C(C)(C)O2)cc1Cl
InChIKeyZHWIZWNYOSGXSR-UHFFFAOYSA-N
PubChem CID53398545
EC No.173-274-3
DTXSIDDTXSID90694497

Chemical & Physical Properties

Topological polar surface area40.6
Hydrogen bond donors0
Hydrogen bond acceptors4
Rotatable bonds2
Heavy atoms18
Formal charge0
Complexity298
Storage conditions2-8°C
AppearanceWhite to off-white Solid
SolubilitySlightly soluble in water.
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P280a-P304+P340-P305+P351+P338-P405-P501a
Customs code2933399990

Safety & Regulations

GHS classificationWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
Customs code2933399990
Signal wordWarning
GHS pictogramGHS07
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P280a-P304+P340-P305+P351+P338-P405-P501a

Applications & Uses

Uses

5-Chloro-6-methoxypyridine-3-boronic acid pinacol ester is used as pharmaceutical intermediate.