1635389-95-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1635389-95-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,5,3,8 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1635389-95:
(9*1)+(8*6)+(7*3)+(6*5)+(5*3)+(4*8)+(3*9)+(2*9)+(1*5)=205
205 % 10 = 5
So 1635389-95-5 is a valid CAS Registry Number.