159946-82-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 159946-82-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,9,4 and 6 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 159946-82:
(8*1)+(7*5)+(6*9)+(5*9)+(4*4)+(3*6)+(2*8)+(1*2)=194
194 % 10 = 4
So 159946-82-4 is a valid CAS Registry Number.