1215906-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1215906-72-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,5,9,0 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1215906-72:
(9*1)+(8*2)+(7*1)+(6*5)+(5*9)+(4*0)+(3*6)+(2*7)+(1*2)=141
141 % 10 = 1
So 1215906-72-1 is a valid CAS Registry Number.