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20,20-ethanediyldioxy-16α-benzyloxy-pregn-4-en-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

501689-64-1

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501689-64-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 501689-64-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,1,6,8 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 501689-64:
(8*5)+(7*0)+(6*1)+(5*6)+(4*8)+(3*9)+(2*6)+(1*4)=151
151 % 10 = 1
So 501689-64-1 is a valid CAS Registry Number.
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