152644-89-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 152644-89-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,2,6,4 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 152644-89:
(8*1)+(7*5)+(6*2)+(5*6)+(4*4)+(3*4)+(2*8)+(1*9)=138
138 % 10 = 8
So 152644-89-8 is a valid CAS Registry Number.