1211532-42-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1211532-42-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,1,5,3 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1211532-42:
(9*1)+(8*2)+(7*1)+(6*1)+(5*5)+(4*3)+(3*2)+(2*4)+(1*2)=91
91 % 10 = 1
So 1211532-42-1 is a valid CAS Registry Number.