1200435-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1200435-83-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,0,4,3 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1200435-83:
(9*1)+(8*2)+(7*0)+(6*0)+(5*4)+(4*3)+(3*5)+(2*8)+(1*3)=91
91 % 10 = 1
So 1200435-83-1 is a valid CAS Registry Number.