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2,9-dimethyl-5,6-diphenyl-deca-3,7-diyne-2,5,6,9-tetraol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

859740-89-9

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859740-89-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 859740-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,7,4 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 859740-89:
(8*8)+(7*5)+(6*9)+(5*7)+(4*4)+(3*0)+(2*8)+(1*9)=229
229 % 10 = 9
So 859740-89-9 is a valid CAS Registry Number.
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