855638-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855638-75-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,6,3 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 855638-75:
(8*8)+(7*5)+(6*5)+(5*6)+(4*3)+(3*8)+(2*7)+(1*5)=214
214 % 10 = 4
So 855638-75-4 is a valid CAS Registry Number.