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Substance Name: Pyridoxal hydrochloride
RN: 65-22-5
UNII: 1416KF0QBC
InChIKey: FCHXJFJNDJXENQ-UHFFFAOYSA-N

Note

  • The 4-carboxyaldehyde form of VITAMIN B 6 which is converted to PYRIDOXAL PHOSPHATE which is a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, aminolevulinic acid.

Molecular Formula

  • C8-H9-N-O3.Cl-H

Molecular Weight

  • 203.624
 
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Names and Synonyms

Results Name

  • Pyridoxal hydrochloride

Name of Substance

  • Pyridoxal hydrochloride

Synonyms

  • 2-Methyl-3-hydroxy-4-formyl-5-hydroxymethylpyridine hydrochloride
  • 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde, hydrochloride
  • EINECS 200-602-5
  • NSC 19613
  • Pyridoxal HCl
  • Pyridoxal hydrochloride
  • UNII-1416KF0QBC
  • Vitamin B6 hydrochloride

Systematic Names

  • 4-Pyridinecarboxaldehyde, 3-hydroxy-5-(hydroxymethyl)-2-methyl-, hydrochloride
  • 4-Pyridinecarboxaldehyde, 3-hydroxy-5-(hydroxymethyl)-2-methyl-, hydrochloride (1:1)
  • Pyridoxal hydrochloride

Registry Numbers

CAS Registry Number

  • 65-22-5

FDA UNII

  • 1416KF0QBC

System Generated Number

  • 0000065225

Molecular Formulas

Molecular Formula

  • C8-H9-N-O3.Cl-H

Molecular Formula Fragments

  • C8-H9-N-O3
  • Cl-H
  • COMPONENT

Structure Descriptors

InChI

1S/C8H9NO3.ClH/c1-5-8(12)7(4-11)6(3-10)2-9-5;/h2,4,10,12H,3H2,1H3;1H

InChIKey

FCHXJFJNDJXENQ-UHFFFAOYSA-N

Smiles

Cc1c(c(c(cn1)CO)C=O)O.Cl

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
cat LD50 intramuscular 152mg/kg (152mg/kg) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961.
cat LD50 intravenous 160mg/kg (160mg/kg) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961.
cat LD50 oral > 500mg/kg (500mg/kg) GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961.
dog LD50 oral > 500mg/kg (500mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961.
mouse LD50 intraperitoneal 400mg/kg (400mg/kg)   National Technical Information Service. Vol. AD691-490,
mouse LD50 intravenous 390mg/kg (390mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961.
mouse LD50 oral 1800mg/kg (1800mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961.
mouse LD50 subcutaneous 530mg/kg (530mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961.
pigeon LD50 intravenous 262mg/kg (262mg/kg) BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961.
rabbit LD50 intravenous 465mg/kg (465mg/kg) PERIPHERAL NERVE AND SENSATION: SPASTIC PARALYSIS WITH OR WITHOUT SENSORY CHANGE

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961.
rat LD50 intravenous 320mg/kg (320mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: EXCITEMENT
Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961.
rat LD50 oral 2150mg/kg (2150mg/kg) BEHAVIORAL: EXCITEMENT

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961.
rat LD50 subcutaneous 530mg/kg (530mg/kg) BEHAVIORAL: EXCITEMENT

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 165 deg C   EXP
log P (octanol-water) -3.320 (none)   EST
Water Solubility 5.00E+05 mg/L   EXP
Vapor Pressure 4.58E-07 mm Hg 25 EST
Henry's Law Constant 1.03E-19 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 3.69E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.