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2-ethyl-3-O-(tert-butyldimethylsilyl)estrone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

767351-13-3

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767351-13-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 767351-13-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,7,3,5 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 767351-13:
(8*7)+(7*6)+(6*7)+(5*3)+(4*5)+(3*1)+(2*1)+(1*3)=183
183 % 10 = 3
So 767351-13-3 is a valid CAS Registry Number.

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