Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3-OXO-3,4-DIHYDRO-2H-PYRIDO[3,2-B][1,4]THIAZINE-6-CARBOXYLIC ACID
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-OXO-3,4-DIHYDRO-2H-PYRIDO[3,2-B][1,4]THIAZINE-6-CARBOXYLIC ACID
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Chainpharm Limited
China
Product Name: 3-OXO-3,4-DIHYDRO-2H-PYRIDO[3,2-B][1,4]THIAZINE-6-CARBOXYLIC ACID
Price: ￥Inquiry/1g ￥Inquiry/10g ￥Inquiry/100g ￥Inquiry/1kg
Purity: 97.0%
Stocking Period: 14 Day
Contact: Sales Department
Email: sales@chainpharm.com

443956-14-7

443956-14-7 structure

443956-14-7 structure

Name: 3-OXO-3,4-DIHYDRO-2H-PYRIDO[3,2-B][1,4]THIAZINE-6-CARBOXYLIC ACID
Chemical Name: 3-oxo-4H-pyrido[3,2-b][1,4]thiazine-6-carboxylic acid
CAS Number: 443956-14-7
Molecular Formula: C₈H₆N₂O₃S
Molecular Weight: 210.210
Create Date: 2018-06-11 17:35:34
Modify Date: 2025-09-12 07:27:51

Name	3-oxo-4H-pyrido[3,2-b][1,4]thiazine-6-carboxylic acid
Synonyms	3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carbaldehyde 3-oxo-3,4-dihydro-2H-pyrido[3,2-h][1,4]thiazine-6-carboxylic acid 3-Oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carboxylic acid 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carboxylate 2H-Pyrido[3,2-b]-1,4-thiazine-6-carboxylic acid, 3,4-dihydro-3-oxo-

Density	1.6±0.1 g/cm3
Boiling Point	530.7±50.0 °C at 760 mmHg
Molecular Formula	C₈H₆N₂O₃S
Molecular Weight	210.210
Flash Point	274.7±30.1 °C
Exact Mass	210.009918
PSA	108.08000
LogP	1.06
Vapour Pressure	0.0±1.5 mmHg at 25°C
Index of Refraction	1.677

HS Code	2934999090

443956-16-9 structure

443956-16-9

~74%

443956-14-7 structure

443956-14-7

Literature: GLAXO GROUP LIMITED Patent: WO2006/17326 A1, 2006 ; Location in patent: Page/Page column 23-24 ;

443956-13-6 structure

443956-13-6

~98%

443956-14-7 structure

443956-14-7

Literature: GLAXO GROUP LIMITED Patent: WO2006/81178 A2, 2006 ; Location in patent: Page/Page column 21 ;

178876-82-9 structure

178876-82-9

~%

443956-14-7 structure

443956-14-7

Literature: BOEHRINGER INGELHEIM INTERNATIONAL GMBH; BURKE, Michael J.; MCKIBBEN, Bryan; TSCHANTZ, Matt Aaron Patent: WO2013/191984 A1, 2013 ;

Precursor 3
443956-16-9 443956-13-6 178876-82-9
DownStream 1
443956-15-8

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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