156861-94-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156861-94-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,8,6 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 156861-94:
(8*1)+(7*5)+(6*6)+(5*8)+(4*6)+(3*1)+(2*9)+(1*4)=168
168 % 10 = 8
So 156861-94-8 is a valid CAS Registry Number.