107639-37-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107639-37-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,6,3 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 107639-37:
(8*1)+(7*0)+(6*7)+(5*6)+(4*3)+(3*9)+(2*3)+(1*7)=132
132 % 10 = 2
So 107639-37-2 is a valid CAS Registry Number.