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CAS Number: 609-70-1
4-hydroxynicotinic acid

Structure

4-hydroxynicotinic acid
Name: 4-hydroxynicotinic acid
Synonyms:
General Information
Product Number: 609701

CAS Registry Number 609-70-1
Name:
3-​Pyridinecarboxylic acid, 4-​hydroxy-
Nicotinic acid, 4-hydroxy- (6CI,7CI,8CI)
4-Hydroxynicotinic acid
4-Hydroxypyridine-3-carboxylic acid

 

Chemical Formula: C6H5NO3
Exact Mass: 139.03
Molecular Weight: 139.11
m/z: 139.03 (100.0%), 140.03 (6.7%)

 

InChI:InChI=1S/C6H5NO3/c8-5-1-2-7-3-4(5)6(9)10/h1-3H,(H,7,8)(H,9,10)

InChI Key:CHCUBGPSZDGABM-UHFFFAOYSA-N

Canonical SMILES:C1=CNC=C(C1=O)C(=O)O

 

Thermal Properties Value Condition Note
Melting Point 265-267 °C (decomp)   (3)CAS
Melting Point 255 °C   (4)IC
Melting Point 245-247 °C   (5)CAS

Specification

98%

References
  1. (3) Huffman, K. Robert; Journal of Organic Chemistry 1962, V27, P551-8 CAPLUS
  2. (4) Mittelbach, Martin; Archiv der Pharmazie (Weinheim, Germany) 1985, V318(6), P481-6 CAPLUS
  3. (5) Taylor, Edward C., Jr.; Journal of the American Chemical Society 1960, V82, P3141-3 CAPLUS
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