120139-66-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120139-66-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,1,3 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 120139-66:
(8*1)+(7*2)+(6*0)+(5*1)+(4*3)+(3*9)+(2*6)+(1*6)=84
84 % 10 = 4
So 120139-66-4 is a valid CAS Registry Number.
InChI:InChI=1/C16H19NO3/c1-20-14-6-10-9-17-5-4-16(12(10)8-13(14)19)3-2-11(18)7-15(16)17/h2-3,6,8,11,15,18-19H,4-5,7,9H2,1H3/t11-,15+,16?/m1/s1