1377604-89-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1377604-89-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,7,6,0 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1377604-89:
(9*1)+(8*3)+(7*7)+(6*7)+(5*6)+(4*0)+(3*4)+(2*8)+(1*9)=191
191 % 10 = 1
So 1377604-89-1 is a valid CAS Registry Number.