1042907-34-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1042907-34-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,2,9,0 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1042907-34:
(9*1)+(8*0)+(7*4)+(6*2)+(5*9)+(4*0)+(3*7)+(2*3)+(1*4)=125
125 % 10 = 5
So 1042907-34-5 is a valid CAS Registry Number.