770691-52-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 770691-52-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,0,6,9 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 770691-52:
(8*7)+(7*7)+(6*0)+(5*6)+(4*9)+(3*1)+(2*5)+(1*2)=186
186 % 10 = 6
So 770691-52-6 is a valid CAS Registry Number.