230615-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 230615-77-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,0,6,1 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 230615-77:
(8*2)+(7*3)+(6*0)+(5*6)+(4*1)+(3*5)+(2*7)+(1*7)=107
107 % 10 = 7
So 230615-77-7 is a valid CAS Registry Number.