156992-04-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156992-04-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,9,9 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 156992-04:
(8*1)+(7*5)+(6*6)+(5*9)+(4*9)+(3*2)+(2*0)+(1*4)=170
170 % 10 = 0
So 156992-04-0 is a valid CAS Registry Number.