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19433-07-9

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19433-07-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19433-07-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,4,3 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 19433-07:
(7*1)+(6*9)+(5*4)+(4*3)+(3*3)+(2*0)+(1*7)=109
109 % 10 = 9
So 19433-07-9 is a valid CAS Registry Number.

19433-07-9Relevant articles and documents

A mild and efficient synthesis of aryl sulfones from aryl chlorides and sulfinic acid salts using microwave heating

Yuan, Yan-Qin,Guo, Sheng-Rong

supporting information; experimental part, p. 2750 - 2756 (2011/12/04)

The CuCl-catalyzed coupling of aryl chlorides and sulfinic acid salts provides a simple and extremely efficient route to unsymmetrical aryl sulfones in high to excellent yields under microwave irradiation within 3-30 minutes. Georg Thieme Verlag Stuttgart · New York.

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