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Retinol,4,5-didehydro-5,6-dihydro- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

54375-76-7

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54375-76-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54375-76-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,3,7 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 54375-76:
(7*5)+(6*4)+(5*3)+(4*7)+(3*5)+(2*7)+(1*6)=137
137 % 10 = 7
So 54375-76-7 is a valid CAS Registry Number.

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