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3β-acetoxy-5-methyl-19-nor-5β-cholest-9(10)-en-6-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

17756-93-3

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17756-93-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17756-93-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,7,5 and 6 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 17756-93:
(7*1)+(6*7)+(5*7)+(4*5)+(3*6)+(2*9)+(1*3)=143
143 % 10 = 3
So 17756-93-3 is a valid CAS Registry Number.

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