770647-41-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 770647-41-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,0,6,4 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 770647-41:
(8*7)+(7*7)+(6*0)+(5*6)+(4*4)+(3*7)+(2*4)+(1*1)=181
181 % 10 = 1
So 770647-41-1 is a valid CAS Registry Number.