1630907-85-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1630907-85-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,0,9,0 and 7 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1630907-85:
(9*1)+(8*6)+(7*3)+(6*0)+(5*9)+(4*0)+(3*7)+(2*8)+(1*5)=165
165 % 10 = 5
So 1630907-85-5 is a valid CAS Registry Number.