1258238-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1258238-47-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,8,2,3 and 8 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1258238-47:
(9*1)+(8*2)+(7*5)+(6*8)+(5*2)+(4*3)+(3*8)+(2*4)+(1*7)=169
169 % 10 = 9
So 1258238-47-9 is a valid CAS Registry Number.