1215842-75-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1215842-75-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,5,8,4 and 2 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1215842-75:
(9*1)+(8*2)+(7*1)+(6*5)+(5*8)+(4*4)+(3*2)+(2*7)+(1*5)=143
143 % 10 = 3
So 1215842-75-3 is a valid CAS Registry Number.