142780-50-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142780-50-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,7,8 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 142780-50:
(8*1)+(7*4)+(6*2)+(5*7)+(4*8)+(3*0)+(2*5)+(1*0)=125
125 % 10 = 5
So 142780-50-5 is a valid CAS Registry Number.
InChI:InChI=1/C20H30O3/c1-12(2)6-5-7-13(3)15-11-17-19-14(10-18(22)23-17)16(21)8-9-20(15,19)4/h6,13-15,17,19H,5,7-11H2,1-4H3/t13?,14-,15-,17-,19?,20+/m0/s1