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2-acetoxy-10-(4-acetoxy-phenyl)-10-chloro-anthrone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

857588-34-2

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857588-34-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857588-34-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,5,8 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 857588-34:
(8*8)+(7*5)+(6*7)+(5*5)+(4*8)+(3*8)+(2*3)+(1*4)=232
232 % 10 = 2
So 857588-34-2 is a valid CAS Registry Number.

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