121979-38-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121979-38-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,9,7 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 121979-38:
(8*1)+(7*2)+(6*1)+(5*9)+(4*7)+(3*9)+(2*3)+(1*8)=142
142 % 10 = 2
So 121979-38-2 is a valid CAS Registry Number.
InChI:InChI=1/C20H30O4/c1-2-3-4-9-12-15-18(21)19(22)16-13-10-7-5-6-8-11-14-17-20(23)24/h3-4,6-8,10,12-13,15-16,18-19,21-22H,2,5,9,11,14,17H2,1H3,(H,23,24)/b4-3-,8-6+,10-7-,15-12-,16-13-/t18-,19-/m1/s1