4950-66-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4950-66-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,5 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4950-66:
(6*4)+(5*9)+(4*5)+(3*0)+(2*6)+(1*6)=107
107 % 10 = 7
So 4950-66-7 is a valid CAS Registry Number.
InChI:InChI=1/C16H15NO4/c18-15(9-8-13-7-4-10-21-13)17-14(16(19)20)11-12-5-2-1-3-6-12/h1-10,14H,11H2,(H,17,18)(H,19,20)/b9-8+/t14-/m0/s1