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2043-79-0

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2043-79-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2043-79-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,4 and 3 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2043-79:
(6*2)+(5*0)+(4*4)+(3*3)+(2*7)+(1*9)=60
60 % 10 = 0
So 2043-79-0 is a valid CAS Registry Number.

2043-79-0Downstream Products

2043-79-0Relevant articles and documents

Ultrasound-Accelerated Synthesis of Asymmetrical Thiosulfonate S-Esters by Base-Promoted Reaction of Sulfonyl Chlorides with Thiols

Pham, Hien Thi,Nguyen, Ngoc-Lan Thi,Duus, Fritz,Luu, Thi Xuan Thi

, p. 1934 - 1941 (2015/12/12)

Amberlyst A-26, Mg-Al hydrotalcite, potassium fluoride absorbed on alumina, triethylamine and pyridine have been tested as base catalysts and reagents for the reaction of sulfonyl chlorides with thiols to prepare thiosulfonate S-esters. The reactions were performed under solvent-free conditions or with a minimum amount of solvent assisted by magnetic stirring, ultrasound irradiation and microwave irradiation. Ultrasound irradiation has good effects on the synthesis of sterically hindered thiosulfonate S-esters in solvent-free media as well as in a minimum amount of anhydrous diethyl ether.

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