HuagongsheHuagongshe Chemistry Print Report · For research reference only

HCID 45791109Generated: October 29, 2026

[4-Methoxy-2-(1H-pyrazol-1-yl)phenyl]boronic acid

CHEMBRDG-BB 4015829 · (4-methoxy-2-pyrazol-1-ylphenyl)boronic acid · [4-methoxy-2-(1H-pyrazol-1-yl)phenyl]boronic acid · boronic acid, [4-methoxy-2-(1H-pyrazol-1-yl)phenyl]- · Boronic acid, B-[4-methoxy-2-(1H-pyrazol-1-yl)phenyl]-

https://huagongshe.com/en/chemical/45791109

[4-Methoxy-2-(1H-pyrazol-1-yl)phenyl]boronic acid molecular structure

Identifiers & Physical Properties

CAS No.	1287753-34-7
Molecular formula	C10H11BN2O3
Average molar mass	218.02 g/mol
Monoisotopic mass	218.0862724 g/mol
SMILES	COc1ccc(B(O)O)c(-n2cccn2)c1
InChIKey	HNIWENQDOKNTLY-UHFFFAOYSA-N
PubChem CID	45791109
ChEMBL	CHEMBL5178577
EC No.	108-535-2
DTXSID	DTXSID10672419

Chemical & Physical Properties

Topological polar surface area	67.5
Hydrogen bond donors	2
Hydrogen bond acceptors	4
Rotatable bonds	3
Heavy atoms	16
Formal charge	0
Complexity	230
Boiling point	434.2±55.0 °C(Predicted)
Density	1.23±0.1 g/cm3(Predicted)
pKa (acidity coefficient)	8.69±0.58(Predicted)
GHS pictogram	GHS07
Signal word	Warning
GHS hazard statements	H302-H315-H319-H335
GHS precautionary statements	P280-P305+P351+P338
Hazard symbols	Xi
Risk statements (R)	41
Safety statements (S)	26-39
Hazard class	IRRITANT

Safety & Regulations

GHS classification	DangerH318 (100%): Causes serious eye damage [Danger Serious eye damage/eye irritation]P264+P265, P280, P305+P354+P338, and P317 (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 Categories	Eye Dam. 1 (100%)
Risk statements (R)	41
Signal word	Warning
GHS pictogram	GHS07
Hazard symbols	Xi
Safety statements (S)	26-39
Hazard class	IRRITANT
GHS hazard statements	H302-H315-H319-H335
GHS precautionary statements	P280-P305+P351+P338