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1-Pyreneacetyl chloride is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

72425-17-3

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72425-17-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72425-17-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,4,2 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 72425-17:
(7*7)+(6*2)+(5*4)+(4*2)+(3*5)+(2*1)+(1*7)=113
113 % 10 = 3
So 72425-17-3 is a valid CAS Registry Number.

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