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4,6-dibromo-3-indolecarboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

115666-18-7

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115666-18-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 115666-18-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,6,6 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 115666-18:
(8*1)+(7*1)+(6*5)+(5*6)+(4*6)+(3*6)+(2*1)+(1*8)=127
127 % 10 = 7
So 115666-18-7 is a valid CAS Registry Number.

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