855659-27-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855659-27-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,6,5 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 855659-27:
(8*8)+(7*5)+(6*5)+(5*6)+(4*5)+(3*9)+(2*2)+(1*7)=217
217 % 10 = 7
So 855659-27-7 is a valid CAS Registry Number.