Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Methyl 4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: Methyl 4-Hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

35511-14-9

35511-14-9 structure

35511-14-9 structure

Name: Methyl 4-Hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide
Chemical Name: Methyl 4-Hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide
CAS Number: 35511-14-9
Molecular Formula: C₁₀H₉NO₅S
Molecular Weight: 255.24700
Create Date: 2018-12-26 11:48:07
Modify Date: 2026-08-29 16:13:24

Name	Methyl 4-Hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide
Synonyms	Methyl 4-hydroxy-2H-benzo[e][1,2]thiazine-3-cboxylate 1,1-dioxide Piroxicam Impurity G Methyl 4-hydroxy-2H-1,2-benzothiazine-3-cboxylate 1,1- dioxide methyl 4-hydroxy-1,1-dioxo-2H-1λ<sup>6</sup>,2-benzothiazine-3-carboxylate PiroxicaM IMpurity G 4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CBOXYLID ACID METHYL ESTER 1,1-DIOXIDE Piroxicam IMP G Imp. G : Methyl4-Hydroxy-2H-1,2-benzothiazine-3-cboxylate1,1-Dioxide 4-HYDROXY-2-METHYL-2H-1,2-BENZOISOTHIAZOL-2-ACETICETHER-1,1-DIOXIDE/ PIROXICAM Methyl 4-Hydroxy-2H-1,2-benzothiazi methyl 4-hydroxy-2H-1,2-benzothiazine-3-cboxylate 1,1-dioxide 4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CBOXYLIC ACID METHYL ESTER 1,1-DIOXIDE 4-Hydroxy-2-Methyl-2h-1,2-Benzoisothiazol-2-Aceticether-1,1-Dioxide Methyl 4-Hydroxy-2H-1,2-benzothiazine-3-cboxylate 1,1-Dioxide (Piroxicam Impurity G)

Density	1.568g/cm3
Boiling Point	447ºC at 760mmHg
Melting Point	168-170ºC
Molecular Formula	C₁₀H₉NO₅S
Molecular Weight	255.24700
Flash Point	224.2ºC
Exact Mass	255.02000
PSA	101.08000
LogP	1.78770
Index of Refraction	1.639

HS Code	2934991000

Precursor 10
6639-62-9 128-44-9 86048-55-7 81-07-2
66366-27-6 124-41-4 24683-20-3 76508-37-7
76508-40-2 141-52-6
DownStream 8
34042-85-8 35511-15-0 36322-90-4 942047-62-3
34552-84-6 71125-38-7 34258-79-2 5510-09-8

HS Code	2934991000
Summary	2934991000. sultones and sultams. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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