1151391-89-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1151391-89-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,1,3,9 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1151391-89:
(9*1)+(8*1)+(7*5)+(6*1)+(5*3)+(4*9)+(3*1)+(2*8)+(1*9)=137
137 % 10 = 7
So 1151391-89-7 is a valid CAS Registry Number.