128364-64-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128364-64-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,3,6 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128364-64:
(8*1)+(7*2)+(6*8)+(5*3)+(4*6)+(3*4)+(2*6)+(1*4)=137
137 % 10 = 7
So 128364-64-7 is a valid CAS Registry Number.