Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-Hydroxypyrazole
Price:
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4-Hydroxypyrazole
Price: ￥1618.0/250mg ￥3808.0/1g
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia

4843-98-5

4843-98-5 structure

4843-98-5 structure

Name: 4-Hydroxypyrazole
Chemical Name: 1H-Pyrazol-4-ol
CAS Number: 4843-98-5
Molecular Formula: C₃H₄N₂O
Molecular Weight: 84.07670
Create Date: 2018-06-05 08:00:00
Modify Date: 2024-01-11 10:26:19

Name	1H-Pyrazol-4-ol
Synonyms	1H-pyrazol-4-ol

Density	1.415g/cm3
Boiling Point	326.1ºC at 760mmHg
Molecular Formula	C₃H₄N₂O
Molecular Weight	84.07670
Flash Point	151ºC
Exact Mass	84.03240
PSA	48.91000
LogP	0.11530
Index of Refraction	1.612

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UR0150000

CHEMICAL NAME :: Pyrazol-4-ol

CAS REGISTRY NUMBER :: 4843-98-5

BEILSTEIN REFERENCE NO. :: 0106311

LAST UPDATED :: 199612

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C3-H4-N2-O

MOLECULAR WEIGHT :: 84.09

WISWESSER LINE NOTATION :: T5MNJ DQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 92 mg/kg

TOXIC EFFECTS :: Liver - hepatitis (hepatocellular necrosis), zonal

REFERENCE :: APTOA6 Acta Pharmacologica et Toxicologica. (Copenhagen, Denmark) V.1-59, 1945-86. For publisher information, see PHTOEH Volume(issue)/page/year: 48,418,1981 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 336 mg/kg/7D-I

TOXIC EFFECTS :: Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other Enzymes Biochemical - Metabolism (Intermediary) - other proteins

REFERENCE :: APTOA6 Acta Pharmacologica et Toxicologica. (Copenhagen, Denmark) V.1-59, 1945-86. For publisher information, see PHTOEH Volume(issue)/page/year: 48,418,1981

HS Code	2933199090

269410-08-4 structure

269410-08-4

~%

4843-98-5 structure

4843-98-5

Literature: JERINI AG Patent: WO2008/116620 A1, 2008 ; Location in patent: Page/Page column 171 ; WO 2008/116620 A1

23705-85-3 structure

23705-85-3

~%

4843-98-5 structure

4843-98-5

Literature: Filipski, Kevin J.; Bian, Jianwei; Ebner, David C.; Lee, Esther C.Y.; Li, Jian-Cheng; Sammons, Matthew F.; Wright, Stephen W.; Stevens, Benjamin D.; Didiuk, Mary T.; Tu, Meihua; Perreault, Christian; Brown, Janice; Atkinson, Karen; Tan, Beijing; Salatto, Christopher T.; Litchfield, John; Pfefferkorn, Jeffrey A.; Guzman-Perez, Angel Bioorganic and Medicinal Chemistry Letters, 2012 , vol. 22, # 1 p. 415 - 420

Precursor 2
269410-08-4 23705-85-3
DownStream 0

HS Code	2933199090
Summary	2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%