1215833-62-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1215833-62-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,5,8,3 and 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1215833-62:
(9*1)+(8*2)+(7*1)+(6*5)+(5*8)+(4*3)+(3*3)+(2*6)+(1*2)=137
137 % 10 = 7
So 1215833-62-7 is a valid CAS Registry Number.