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8-acetoxy-19-hydroxy-(5α,7α,9α,11α,16α,18α,20α,22α)-5,7,9,11,16,18,20,22-octahydro-5,22:7,20:9,18:11,16-tetramethanononacene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

256433-43-9

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256433-43-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 256433-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,4,3 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 256433-43:
(8*2)+(7*5)+(6*6)+(5*4)+(4*3)+(3*3)+(2*4)+(1*3)=139
139 % 10 = 9
So 256433-43-9 is a valid CAS Registry Number.

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