121520-97-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121520-97-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,5,2 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 121520-97:
(8*1)+(7*2)+(6*1)+(5*5)+(4*2)+(3*0)+(2*9)+(1*7)=86
86 % 10 = 6
So 121520-97-6 is a valid CAS Registry Number.
InChI:InChI=1/C23H34Br2O4/c1-22-9-7-15(28-20(26)12-24)11-14(22)3-4-16-17-5-6-19(29-21(27)13-25)23(17,2)10-8-18(16)22/h14-19H,3-13H2,1-2H3/t14-,15-,16-,17-,18-,19-,22-,23-/m0/s1