1142201-49-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1142201-49-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,2,2,0 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1142201-49:
(9*1)+(8*1)+(7*4)+(6*2)+(5*2)+(4*0)+(3*1)+(2*4)+(1*9)=87
87 % 10 = 7
So 1142201-49-7 is a valid CAS Registry Number.