855744-22-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855744-22-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,7,4 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 855744-22:
(8*8)+(7*5)+(6*5)+(5*7)+(4*4)+(3*4)+(2*2)+(1*2)=198
198 % 10 = 8
So 855744-22-8 is a valid CAS Registry Number.