775237-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 775237-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,5,2,3 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 775237-89:
(8*7)+(7*7)+(6*5)+(5*2)+(4*3)+(3*7)+(2*8)+(1*9)=203
203 % 10 = 3
So 775237-89-3 is a valid CAS Registry Number.