156894-83-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156894-83-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,8,9 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 156894-83:
(8*1)+(7*5)+(6*6)+(5*8)+(4*9)+(3*4)+(2*8)+(1*3)=186
186 % 10 = 6
So 156894-83-6 is a valid CAS Registry Number.