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(C6H5)(CH3)2Sn(CH2I) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

33550-55-9

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33550-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33550-55-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,5,5 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 33550-55:
(7*3)+(6*3)+(5*5)+(4*5)+(3*0)+(2*5)+(1*5)=99
99 % 10 = 9
So 33550-55-9 is a valid CAS Registry Number.

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