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3α-p-Tosyloxybeyer-15,16-en-2α-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

28958-11-4

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28958-11-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28958-11-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,9,5 and 8 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 28958-11:
(7*2)+(6*8)+(5*9)+(4*5)+(3*8)+(2*1)+(1*1)=154
154 % 10 = 4
So 28958-11-4 is a valid CAS Registry Number.

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