390756-31-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 390756-31-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,0,7,5 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 390756-31:
(8*3)+(7*9)+(6*0)+(5*7)+(4*5)+(3*6)+(2*3)+(1*1)=167
167 % 10 = 7
So 390756-31-7 is a valid CAS Registry Number.