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: 5-Chlorothiophene-2-sulfonyl chloride
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 5-Chlorothiophenesulphonyl chloride
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

2766-74-7

2766-74-7 structure

2766-74-7 structure

Name: 5-Chlorothiophenesulphonyl chloride
Chemical Name: 5-chlorothiophene-2-sulfonyl chloride
CAS Number: 2766-74-7
Molecular Formula: C₄H₂Cl₂O₂S₂
Molecular Weight: 217.094
Catalog: Chemical reagent Organic reagent Thiol/thiophenol
Create Date: 2018-07-12 18:45:52
Modify Date: 2026-07-04 18:43:41

Name	5-chlorothiophene-2-sulfonyl chloride
Synonyms	5-Chlorothiophene-2-Sulfonyl Chloride 5-chlorothiophen-2-sulfonyl chloride 5-CHLORO-2-THIOPHENESULFONYL CHLORIDE 5-chlorothiophene-2-sulfonyl BUTTPK 27 5-CHLOROTHIOPHENE-2-SULFONYL CHLORIDE T-CHEM-BB B019398 5-chlorothiophene-2-sulfonyl chloride(SALTDATA: FREE) 5-Chloro-2-thiophenesulfonyl Chloride > 5-CHLOROTHIOPHENE-2-SULPHONYL CHLORIDE MFCD00051667 T5SJ BSWG EG 5-Chlloro-2-thiophenesulfonyl Chloride 5-chlorothiophenyl-2-sulfonylchloride 2-Chloro-5-(chlorosulfonyl)thiophene 5-chloro-2-thiophene sulphonyl chloride 5-Chlorothiophene-2-sulfonic acid chloride 5-chlorobenzenesulfonyl chloride 5-CHLORO-2-THIENYLSULFONYL CHLORIDE 5-CHLOROTHIOPHENESULFONYLCHLORIDE chlorosulphonyl-5-chlorothiophene 5-chloro-thien-2-ylsulfonyl chloride 5-chloro-2-thienylsulfonyl chloride 5-Chlorothiophen-2-sulfonyl chloride 5-Fluoro,2-sulfonyl chloride thiophene 5-Chloro-2-thiophenesulfonyl chloride 2-Thiophenesulfonyl chloride, 5-chloro 5-CHLOROTHIOPHENE-2-SULFONYL CHLORIDE, 9 2-Chloro-5-(chlorosulphonyl)thiophene 2-chlorothiophene-5-sulphonyl chloride TIMTEC-BB SBB003378 5-CHLOROTHIOPHENESULPHONYL CHLORIDE 5-Chlorothiophene-2-sulfonylchloride 5-chlorothiophenesulfonyl chloride

Density	1.7±0.1 g/cm3
Boiling Point	297.7±25.0 °C at 760 mmHg
Melting Point	25-28°C
Molecular Formula	C₄H₂Cl₂O₂S₂
Molecular Weight	217.094
Flash Point	133.8±23.2 °C
Exact Mass	215.887329
PSA	70.76000
LogP	2.60
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.596
Storage condition	Keep Cold

Symbol	GHS05
Signal Word	Danger
Hazard Statements	H314
Precautionary Statements	P280-P305 + P351 + P338-P310
Personal Protective Equipment	Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	C:Corrosive
Risk Phrases	R34
Safety Phrases	S26-S27-S36/37/39-S45-S28A-S25
RIDADR	UN 3265 8/PG 2
WGK Germany	3
Packaging Group	II
Hazard Class	8
HS Code	2934999090

96-43-5 structure

96-43-5

~86%

2766-74-7 structure

2766-74-7

Literature: PORTOLA PHARMACEUTICALS, INC. Patent: WO2007/56167 A2, 2007 ; Location in patent: Page/Page column 33-34 ;

Precursor 1
96-43-5
DownStream 6
58457-24-2 53595-66-7 155731-14-9 78380-28-6
83222-18-8 620103-77-7

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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