(5-Chloro-2-fluoropyridin-4-yl)boronic acid
Product Specifications
- CAS
- 1034659-38-5
- MF
- C5H4BClFNO2
- Appearance
- yellow or brown solid
- Synonym(s)
- (5-Chloro-2-fluoropyridin-4-yl)boronic acid；Boronic acid, B-(5-chloro-2-fluoro-4-pyridinyl)-
- Shipping
- ambient temperature
- Storage
- 2-8°C
CAS 1034659-38-5 identifies (5-Chloro-2-fluoropyridin-4-yl)boronic acid, molecular formula C5H4BClFNO2. PubChem assigns CID 44754822, SMILES B(C1=CC(=NC=C1Cl)F)(O)O, and InChIKey UTCNOKCGQCXVAK-UHFFFAOYSA-N. The official synonym list contains the former “5-chloro-2-fluoropyridine-4-boronic acid” wording, so both labels resolve to this graph.
The pyridine ring contains one nitrogen and five carbons. Fluorine occupies position 2, the boronic acid group connects through ring position 4, and chlorine occupies position 5. Boron is bonded to the ring carbon and two hydroxy oxygens, accounting for B and O2 in C5H4BClFNO2. The two boron-bound oxygens appear as hydroxyl groups in the official graph. Boron carries no formal charge. PubChem encodes one molecular component with no counterion and no stereochemical specification. The three locants are indispensable because moving either halogen or the boron-bearing attachment would produce a different pyridine derivative despite similar element counts.
An inquiry can cite CAS 1034659-38-5 and the parenthesized preferred name to preserve the attachment point. State the requested quantity, contact details, and any identity-record questions. CID 44754822 or InChIKey UTCNOKCGQCXVAK-UHFFFAOYSA-N can be added for a structure-led request. Rlavie can align the message with this precise 2-fluoro, 4-boronic acid, 5-chloro pattern. Comparing formula C5H4BClFNO2 before submission also helps detect an omitted halogen or a different boronic acid form.