263744-23-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 263744-23-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,7,4 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 263744-23:
(8*2)+(7*6)+(6*3)+(5*7)+(4*4)+(3*4)+(2*2)+(1*3)=146
146 % 10 = 6
So 263744-23-6 is a valid CAS Registry Number.