1347749-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1347749-90-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,7,7,4 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1347749-90:
(9*1)+(8*3)+(7*4)+(6*7)+(5*7)+(4*4)+(3*9)+(2*9)+(1*0)=199
199 % 10 = 9
So 1347749-90-9 is a valid CAS Registry Number.