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Diphenyl-phosphinic acid 2,2,3,3,4,4,4-heptafluoro-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

55776-72-2

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55776-72-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55776-72-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,7,7 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 55776-72:
(7*5)+(6*5)+(5*7)+(4*7)+(3*6)+(2*7)+(1*2)=162
162 % 10 = 2
So 55776-72-2 is a valid CAS Registry Number.

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