Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5-Isothiazolecarboxylicacid,3-methyl-
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5-Isothiazolecarboxylicacid,3-methyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

66975-83-5

66975-83-5 structure

66975-83-5 structure

Name: 5-Isothiazolecarboxylicacid,3-methyl-
Chemical Name: 3-methyl-1,2-thiazole-5-carboxylic acid
CAS Number: 66975-83-5
Molecular Formula: C₅H₅NO₂S
Molecular Weight: 143.16400
Create Date: 2018-06-21 19:42:27
Modify Date: 2025-10-15 18:36:52

Name	3-methyl-1,2-thiazole-5-carboxylic acid
Synonyms	5-Carboxy-3-methylisothiazole 3-Methyl-isothiazol-5-carbonsaeure 3-METHYLISOTHIAZOLE-5-CARBOXYLIC ACID 3-methyl-5-isothiazolecarboxylic acid 3-Methyl-isothiazol-carbonsaeure-(5)

Density	1.418g/cm3
Boiling Point	187.8ºC at 760 mmHg
Molecular Formula	C₅H₅NO₂S
Molecular Weight	143.16400
Flash Point	67.4ºC
Exact Mass	143.00400
PSA	78.43000
LogP	1.14970
Index of Refraction	1.598

HS Code	2934999090

57352-00-8 structure

57352-00-8

~85%

66975-83-5 structure

66975-83-5

Literature: Mitsui Toatsu Chemicals, Incorporated Patent: US5240951 A1, 1993 ;

88511-32-4 structure

88511-32-4

~%

66975-83-5 structure

66975-83-5

Literature: Journal of the Chemical Society, , p. 2032 - 2039

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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