Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5-Bromo-thiophene-2-sulfonic acid Methylamide
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5-Bromo-thiophene-2-sulfonic acid Methylamide
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

81597-52-6

81597-52-6 structure

81597-52-6 structure

Name: 5-Bromo-thiophene-2-sulfonic acid Methylamide
Chemical Name: 5-Bromo-N-methyl-2-thiophenesulfonamide
CAS Number: 81597-52-6
Molecular Formula: C₅H₆BrNO₂S₂
Molecular Weight: 256.14100
Create Date: 2017-01-31 15:22:30
Modify Date: 2025-09-14 19:55:24

Name	5-Bromo-N-methyl-2-thiophenesulfonamide
Synonyms	5-bromothiophene-2-sulfonic acid methyl-amide N-Methyl 5-bromopicolinamide 5-bromo-N-methylpicolinamide 5-bromo-N-methylthiophene-2-sulfonamide 5-bromo-N-methyl-2-pyridinecarboxamide

Molecular Formula	C₅H₆BrNO₂S₂
Molecular Weight	256.14100
Exact Mass	254.90200
PSA	82.79000
LogP	2.89040

HS Code	2935009090

55854-46-1 structure

55854-46-1

74-89-5 structure

74-89-5

~%

81597-52-6 structure

81597-52-6

Literature: Eisai Co., Ltd. Patent: US2005/227959 A1, 2005 ; Location in patent: Page/Page column 44 ;

53442-30-1 structure

53442-30-1

~19%

81597-52-6 structure

81597-52-6

Literature: CRYSTAX PHARMACEUTICALS, S.L. Patent: WO2009/80722 A2, 2009 ; Location in patent: Page/Page column 45 ; WO 2009/080722 A2

HS Code	2935009090
Summary	2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%

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