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4-hydroxy-2,3,4,5-tetraphenyl-cyclopent-2-enone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

117703-25-0

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117703-25-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117703-25-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,7,0 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 117703-25:
(8*1)+(7*1)+(6*7)+(5*7)+(4*0)+(3*3)+(2*2)+(1*5)=110
110 % 10 = 0
So 117703-25-0 is a valid CAS Registry Number.
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