1630101-74-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1630101-74-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,0,1,0 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1630101-74:
(9*1)+(8*6)+(7*3)+(6*0)+(5*1)+(4*0)+(3*1)+(2*7)+(1*4)=104
104 % 10 = 4
So 1630101-74-4 is a valid CAS Registry Number.