855642-29-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855642-29-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,6,4 and 2 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 855642-29:
(8*8)+(7*5)+(6*5)+(5*6)+(4*4)+(3*2)+(2*2)+(1*9)=194
194 % 10 = 4
So 855642-29-4 is a valid CAS Registry Number.