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1,4-bis-(5-hydroxy-5-methyl-hexa-1,3-diynyl)-cyclohexa-2,5-diene-1r,4t-diol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

102159-13-7

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102159-13-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 102159-13-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,1,5 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 102159-13:
(8*1)+(7*0)+(6*2)+(5*1)+(4*5)+(3*9)+(2*1)+(1*3)=77
77 % 10 = 7
So 102159-13-7 is a valid CAS Registry Number.

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