Dayang Chem (Hangzhou) Co., Ltd.
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Product Name: 4-Pyridinecarboxylicacid, 3-hydroxy-5-(hydroxymethyl)-2-methyl-
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82-82-6

82-82-6 structure

82-82-6 structure

Name: 4-Pyridoxic acid
Chemical Name: 4-pyridoxic acid
CAS Number: 82-82-6
Molecular Formula: C₈H₉NO₄
Molecular Weight: 183.16100
Catalog: Biochemical Chinese herbal medicine ingredients
Create Date: 2018-12-10 13:06:01
Modify Date: 2024-01-02 18:34:00
4-Pyridoxic acid is a catabolic product of vitamin B6 which is excreted in the urine.

Name	4-pyridoxic acid
Synonyms	4-pyridoxinecarboxylicacid 4-Pyridoxicacidcrystalline 3-Hydroxy-5-hydroxymethyl-2-methyl-isonicotinsaeure 3-hydroxy-5-(hydroxymethyl)-2-methyl-4-pyridine-carboxylic acid 4-pyridoxylicacid EINECS 201-440-8 4-pyridoxinicacid 4-pyridoxinsaeure 3-hydroxy-5-hydroxymethyl-2-methyl-isonicotinic acid 4-Pyridoxic Pyridoxic Acid 3-hydroxy-5-(hydroxymethyl)-2-methylpyridine-4-carboxylic acid 4-PYRIDOXIC ACID 3-hydroxy-2-methyl-5-methylol-isonicotinic acid MFCD00006334

Description	4-Pyridoxic acid is a catabolic product of vitamin B6 which is excreted in the urine.
Related Catalog	Natural Products >> Acids and Aldehydes Research Areas >> Others
Target	Human Endogenous Metabolite
References	[1]. Sharma SK, et al. Determination of vitamin B6 vitamers and pyridoxic acid in biological samples. J Chromatogr. 1992 Jul 1;578(1):45-51.

Density	1.48g/cm3
Boiling Point	584.5ºC at 760 mmHg
Melting Point	258-261ºC (dec.)(lit.)
Molecular Formula	C₈H₉NO₄
Molecular Weight	183.16100
Flash Point	307.3ºC
Exact Mass	183.05300
PSA	90.65000
LogP	0.28610
Index of Refraction	1.637
Storage condition	-20°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NS1800000

CHEMICAL NAME :: Isonicotinic acid, 3-hydroxy-5-(hydroxymethyl)-2-methyl-

CAS REGISTRY NUMBER :: 82-82-6

BEILSTEIN REFERENCE NO. :: 0384006

LAST UPDATED :: 199612

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C8-H9-N-O4

MOLECULAR WEIGHT :: 183.18

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 7500 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Behavioral - excitement

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 11,922,1961

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 5400 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Behavioral - excitement

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 11,922,1961

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2050 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Behavioral - excitement

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 11,922,1961

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2900 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 11,922,1961

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2500 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 11,922,1961

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 500 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 11,922,1961

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi: Irritant;
Risk Phrases	36/37/38
Safety Phrases	26-36
RIDADR	NONH for all modes of transport
RTECS	NS1800000
HS Code	2933399090

408336-19-6 structure

408336-19-6

~%

82-82-6 structure

82-82-6

Literature: Journal of the American Chemical Society, , vol. 70, p. 3434

66-72-8 structure

66-72-8

~%

82-82-6 structure

82-82-6

Literature: Polish Journal of Chemistry, , vol. 72, # 3 p. 573 - 581

65-23-6 structure

65-23-6

~%

82-82-6 structure

82-82-6

Literature: Inorganic Chemistry Communications, , vol. 14, # 7 p. 1102 - 1106

65-23-6 structure

65-23-6

~%

66-72-8 structure

66-72-8

82-82-6 structure

82-82-6

Literature: Polish Journal of Chemistry, , vol. 70, # 3 p. 354 - 363

Precursor 3
408336-19-6 66-72-8 65-23-6
DownStream 1
479-30-1

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%