Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3-Methyl-1,2-thiazole-4-carboxylic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-Methylisothiazole-4-carboxylic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 3-Methyl-1,2-thiazole-4-carboxylic acid
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/5g
Purity: 95.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

15903-66-9

15903-66-9 structure

15903-66-9 structure

Name: 3-Methyl-1,2-thiazole-4-carboxylic acid
Chemical Name: 3-Methylisothiazole-4-carboxylic acid
CAS Number: 15903-66-9
Molecular Formula: C₅H₅NO₂S
Molecular Weight: 143.164
Create Date: 2018-05-13 08:00:00
Modify Date: 2025-08-25 15:27:05

Name	3-Methylisothiazole-4-carboxylic acid
Synonyms	4-Isothiazolecarboxylic acid, 3-methyl- 3-Methyl-1,2-thiazole-4-carboxylic acid

Density	1.4±0.1 g/cm3
Boiling Point	182.3±33.0 °C at 760 mmHg
Melting Point	235.5-237.5 °C
Molecular Formula	C₅H₅NO₂S
Molecular Weight	143.164
Flash Point	64.1±25.4 °C
Exact Mass	143.004105
PSA	78.43000
LogP	0.95
Vapour Pressure	0.5±0.4 mmHg at 25°C
Index of Refraction	1.599
Storage condition	2-8°C

Hazard Codes	Xi
HS Code	2934999090

15901-51-6 structure

15901-51-6

~79%

15903-66-9 structure

15903-66-9

Literature: Theoclitou, Maria-Elena; Aquila, Brian; Block, Michael H.; Brassil, Patrick J.; Castriotta, Lillian; Code, Erin; Collins, Michael P.; Davies, Audrey M.; Deegan, Tracy; Ezhuthachan, Jayachandran; Filla, Sandra; Freed, Ellen; Hu, Haiqing; Huszar, Dennis; Jayaraman, Muthusamy; Lawson, Deborah; Lewis, Paula M; Nadella, Murali V. P.; Oza, Vibha; Padmanilayam, Maniyan; Pontz, Timothy; Ronco, Lucienne; Russell, Daniel; Whitston, David; Zheng, Xiaolan Journal of Medicinal Chemistry, 2011 , vol. 54, # 19 p. 6734 - 6750

74410-97-2 structure

74410-97-2

~%

15903-66-9 structure

15903-66-9

Literature: WO2013/12918 A1, ; Paragraph 00563 ; WO 2013/012918 A1

49570-33-4 structure

49570-33-4

~%

15903-66-9 structure

15903-66-9

Literature: Journal of Organic Chemistry, , vol. 43, p. 3736 - 3742

1420625-84-8 structure

1420625-84-8

~%

15903-66-9 structure

15903-66-9

Literature: WO2013/12918 A1, ; WO 2013/012918 A1

876191-55-8 structure

876191-55-8

~%

15903-66-9 structure

15903-66-9

Literature: Journal of Medicinal Chemistry, , vol. 54, # 19 p. 6734 - 6750

17265-59-7 structure

17265-59-7

~%

15903-66-9 structure

15903-66-9

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

58850-81-0 structure

58850-81-0

~%

15903-66-9 structure

15903-66-9

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

92498-49-2 structure

92498-49-2

~%

15903-66-9 structure

15903-66-9

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

67048-61-7 structure

67048-61-7

~%

15903-66-9 structure

15903-66-9

Literature: Journal of Organic Chemistry, , vol. 43, p. 3736 - 3742

Precursor 6
15901-51-6 74410-97-2 49570-33-4 876191-55-8
67048-61-7 58850-81-0
DownStream 2
15901-51-6 89179-69-1

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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