1215503-74-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1215503-74-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,5,5,0 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1215503-74:
(9*1)+(8*2)+(7*1)+(6*5)+(5*5)+(4*0)+(3*3)+(2*7)+(1*4)=114
114 % 10 = 4
So 1215503-74-4 is a valid CAS Registry Number.