156780-15-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156780-15-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,7,8 and 0 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 156780-15:
(8*1)+(7*5)+(6*6)+(5*7)+(4*8)+(3*0)+(2*1)+(1*5)=153
153 % 10 = 3
So 156780-15-3 is a valid CAS Registry Number.