1H-Pyrazol-3(2H)-one | CAS 137-45-1

Element: pyrazol

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C-S » Chemicals » pyrazol-one-PX331185

Identification

1H-Pyrazol-3(2H)-one

CAS:

137-45-1

EINECS:

Molecular Formula:

C₃H₄N₂O

MDL:

MFCD20527386

SMILES:

O=C1NNC=C1

Synonym:

pyrazol-3-ol ; 1,2-dihydropyrazol-3-on ; nsc 520837 ; 1,2-dihydropyrazol-3-one ; 1,2-dihydro-3h-pyrazol-3-one ; 1h-pyrazol-3-one ; pyrazol-5-ol ; 3-hydroxypyrazole ; 3-pyrazolone ; 4-pyrazolin-3-one

Suppliers

Ambeed, Inc.

A124366

BLD Pharmatech Ltd

BP10803240

Capot Chemical Co., Ltd.

23624

Dayang Chem (Hangzhou) Co.,Ltd.

DC18607440

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CAS equal suppliers

1H-pyrazol-3-ol

Key Organics Limited

SS-4955

Pyrazolone, dihydro-

Angene International Limited

AGN-PC-0JQ9N5

1,2-Dihydropyrazol-3-one

Manchester Organics Limited

R49028

1,2-Dihydro-3H-pyrazol-3-one

Chemieliva Pharmaceutical Co., Ltd.

CP29408820

1,2-Dihydro-3H-pyrazol-3-one

Finipharma Ltd

F11762352

1,2-Dihydro-3H-pyrazol-3-one

Suzhou Vosun Biotech Co.,Ltd

SVBC235211760

1,2-Dihydro-3H-pyrazol-3-one

H&Z Industry Co.,Ltd

HIC16806720

3H-PYRAZOL-3-ONE,1,2-DIHYDRO-

Huateng Pharmaceutical Co.,Ltd

80074004

Prices & Availability

Data is processed

Properties for 1H-Pyrazol-3(2H)-one

Molecular Weight:

84.07666 g·mol−1

Hazard Statements

GHS03
Harmful

Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, categories 2, 3
Eye irritation, category 2A
Skin sensitization, category 1
Specific target organ toxicity following single exposure, category 3
- Respiratory tract irritation
- Narcotic effects

Not used

with the "skull and crossbones" pictogram
for skin or eye irritation if:
the "corrosion" pictogram also appears
the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Alternative Distributors of [1H-Pyrazol-3(2H)-one]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Sino Rarechem Labs Co. Ltd.