1242776-58-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1242776-58-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,7,7 and 6 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1242776-58:
(9*1)+(8*2)+(7*4)+(6*2)+(5*7)+(4*7)+(3*6)+(2*5)+(1*8)=164
164 % 10 = 4
So 1242776-58-4 is a valid CAS Registry Number.