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ChemicalBook >> CAS DataBase List >> 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid

4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid

$14 - $1123.25
Product name: 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid
CAS: 88-76-6
MF: C10H9ClN2O4S
MW: 288.71
EINECS:201-858-0
MDL Number:MFCD00020745
Synonyms:chloropyrazolicacid5 ;4-chloro-3-(3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid;1-(2'-Chloro-5'-sulphophenyl)-3-methyl-5-pyrazolone;1-(2'-CHLORO-5'-SULFONGLPHENGL)-3-METHYL-5-PYRAZOLONE;1-(2-Chloro-5-sulfophenyl)-3-Methyl-5-pyrazolone (25CSMP);556874_ALDRICH;Benzenesulfonic acid, 4-chl;Benzenesulfonic acid, 4-chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)-

Price27 Properties Safety Information Description

27 prices

Selected condition：

Brand

aablocks
ACHEMBLOCK
AHH
AK Scientific
Alichem
Ambeed
American Custom Chemicals Corporation
Arctom
BLDpharm
Chemenu
Crysdot
Sigma-Aldrich
Synthonix

Package

1g
5g
10g
25g
100g
250g
500g
1 unit

Manufactureraablocks
Product numberAA003CQW
Product description1-(2'-Chloro-5'-sulfophenyl)-3-methyl-5-pyrazolone
Packaging25g
Price$280
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA003CQW
Product description1-(2'-Chloro-5'-sulfophenyl)-3-methyl-5-pyrazolone
Packaging100g
Price$559
Updated2026-05-28
Buy

ManufacturerACHEMBLOCK
Product numberX193673
Product description4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1-pyrazolyl)benzenesulfonic acid 95.00%
Packaging100G
Price$255
Updated2026-05-27
Buy

ManufacturerAHH
Product numberMT-06501
Product description1-(2'-Chloro-5'-sulfophenyl)-3-methyl-5-pyrazolone 95%
Packaging250g
Price$336
Updated2021-12-16
Buy

ManufacturerAHH
Product numberMT-06501
Product description1-(2'-Chloro-5'-sulfophenyl)-3-methyl-5-pyrazolone 97%
Packaging250g
Price$336
Updated2026-05-25
Buy

ManufacturerAHH
Product numberMT-06501
Product description1-(2'-Chloro-5'-sulfophenyl)-3-methyl-5-pyrazolone 97%
Packaging250g
Price$336
Updated2026-05-26
Buy

ManufacturerAK Scientific
Product numberP085
Product description1-(2-Chloro-5-sulfophenyl)-3-methyl-5-pyrazolone
Packaging1g
Price$90
Updated2021-12-16
Buy

ManufacturerAlichem
Product number88766
Product description4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid
Packaging500g
Price$539.54
Updated2021-12-16
Buy

ManufacturerAmbeed
Product numberA448785
Product description4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid 97%
Packaging25g
Price$51
Updated2021-12-16
Buy

ManufacturerAmbeed
Product numberA448785
Product description4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid 97%
Packaging5g
Price$14
Updated2021-12-16
Buy

ManufacturerAmbeed
Product numberA448785
Product description4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid 97%
Packaging100g
Price$134
Updated2021-12-16
Buy

ManufacturerAmerican Custom Chemicals Corporation
Product numberHCH0009490
Product description1-(2'-CHLORO-5'-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE 95.00%
Packaging25G
Price$1123.25
Updated2021-12-16
Buy

ManufacturerArctom
Product numberAS024962
Product description4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid ≥98%
Packaging25g
Price$41
Updated2021-12-16
Buy

ManufacturerArctom
Product numberAS024962
Product description4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid ≥98%
Packaging500g
Price$489
Updated2021-12-16
Buy

ManufacturerArctom
Product numberAS024962
Product description4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid ≥98%
Packaging100g
Price$134
Updated2021-12-16
Buy

ManufacturerBLDpharm
Product numberBD12796
Product description4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid 98+%
Packaging100g
Price$107
Updated2021-12-16
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA003CQW	1-(2'-Chloro-5'-sulfophenyl)-3-methyl-5-pyrazolone	25g	$280	2026-05-28	Buy
aablocks	AA003CQW	1-(2'-Chloro-5'-sulfophenyl)-3-methyl-5-pyrazolone	100g	$559	2026-05-28	Buy
ACHEMBLOCK	X193673	4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1-pyrazolyl)benzenesulfonic acid 95.00%	100G	$255	2026-05-27	Buy
AHH	MT-06501	1-(2'-Chloro-5'-sulfophenyl)-3-methyl-5-pyrazolone 95%	250g	$336	2021-12-16	Buy
AHH	MT-06501	1-(2'-Chloro-5'-sulfophenyl)-3-methyl-5-pyrazolone 97%	250g	$336	2026-05-25	Buy
AHH	MT-06501	1-(2'-Chloro-5'-sulfophenyl)-3-methyl-5-pyrazolone 97%	250g	$336	2026-05-26	Buy
AK Scientific	P085	1-(2-Chloro-5-sulfophenyl)-3-methyl-5-pyrazolone	1g	$90	2021-12-16	Buy
Alichem	88766	4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid	500g	$539.54	2021-12-16	Buy
Ambeed	A448785	4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid 97%	25g	$51	2021-12-16	Buy
Ambeed	A448785	4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid 97%	5g	$14	2021-12-16	Buy
Ambeed	A448785	4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid 97%	100g	$134	2021-12-16	Buy
American Custom Chemicals Corporation	HCH0009490	1-(2'-CHLORO-5'-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE 95.00%	25G	$1123.25	2021-12-16	Buy
Arctom	AS024962	4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid ≥98%	25g	$41	2021-12-16	Buy
Arctom	AS024962	4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid ≥98%	500g	$489	2021-12-16	Buy
Arctom	AS024962	4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid ≥98%	100g	$134	2021-12-16	Buy
BLDpharm	BD12796	4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid 98+%	100g	$107	2021-12-16	Buy

Next Last

Properties

Melting point :344 °C(lit.)
Density :1+-.0.1 g/cm3(Predicted)
storage temp. :Store at room temperature
pka :-0.96±0.50(Predicted)
Appearance :Off-white to light yellow Solid
CAS DataBase Reference :88-76-6(CAS DataBase Reference)
NIST Chemistry Reference :Benzenesulfonic acid, 4-chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)-(88-76-6)
EPA Substance Registry System :Benzenesulfonic acid, 4-chloro-3-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)- (88-76-6)

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	Pictogram	P-Codes
H317	May cause an allergic skin reaction	Sensitisation, Skin	Category 1	Warning		P261, P272, P280, P302+P352,P333+P313, P321, P363, P501

Precautionary statements:

P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P272	Contaminated work clothing should not be allowed out of the workplace.
P280	Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352	IF ON SKIN: wash with plenty of soap and water.
P321	Specific treatment (see … on this label).
P333+P313	IF SKIN irritation or rash occurs: Get medical advice/attention.
P363	Wash contaminated clothing before reuse.
P501	Dispose of contents/container to..…

Description

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Suppliers and manufacturers

career henan chemical co

$1.00
4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid CAS:88-76-6

CONIER CHEM AND PHARMA LIMITED

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4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid

Properties

Safety Information

Description

Related product price

Suppliers and manufacturers