1229230-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1229230-75-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,9,2,3 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1229230-75:
(9*1)+(8*2)+(7*2)+(6*9)+(5*2)+(4*3)+(3*0)+(2*7)+(1*5)=134
134 % 10 = 4
So 1229230-75-4 is a valid CAS Registry Number.