855636-34-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855636-34-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,6,3 and 6 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 855636-34:
(8*8)+(7*5)+(6*5)+(5*6)+(4*3)+(3*6)+(2*3)+(1*4)=199
199 % 10 = 9
So 855636-34-9 is a valid CAS Registry Number.