1211540-67-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1211540-67-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,1,5,4 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1211540-67:
(9*1)+(8*2)+(7*1)+(6*1)+(5*5)+(4*4)+(3*0)+(2*6)+(1*7)=98
98 % 10 = 8
So 1211540-67-8 is a valid CAS Registry Number.