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(1-chlorovinyl)diphenylphosphine oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

55743-31-2

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55743-31-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55743-31-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,7,4 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 55743-31:
(7*5)+(6*5)+(5*7)+(4*4)+(3*3)+(2*3)+(1*1)=132
132 % 10 = 2
So 55743-31-2 is a valid CAS Registry Number.

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