156956-36-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156956-36-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,9,5 and 6 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 156956-36:
(8*1)+(7*5)+(6*6)+(5*9)+(4*5)+(3*6)+(2*3)+(1*6)=174
174 % 10 = 4
So 156956-36-4 is a valid CAS Registry Number.