1215765-30-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1215765-30-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,5,7,6 and 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1215765-30:
(9*1)+(8*2)+(7*1)+(6*5)+(5*7)+(4*6)+(3*5)+(2*3)+(1*0)=142
142 % 10 = 2
So 1215765-30-2 is a valid CAS Registry Number.