1630959-40-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1630959-40-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,0,9,5 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1630959-40:
(9*1)+(8*6)+(7*3)+(6*0)+(5*9)+(4*5)+(3*9)+(2*4)+(1*0)=178
178 % 10 = 8
So 1630959-40-8 is a valid CAS Registry Number.