90243-98-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90243-98-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,2,4 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90243-98:
(7*9)+(6*0)+(5*2)+(4*4)+(3*3)+(2*9)+(1*8)=124
124 % 10 = 4
So 90243-98-4 is a valid CAS Registry Number.
InChI:InChI=1/C21H34O6/c1-4-27-14-21(2,3)19(24)12-11-16-15(17(22)13-18(16)23)9-7-5-6-8-10-20(25)26/h5,7,11-12,15-16,18-19,23-24H,4,6,8-10,13-14H2,1-3H3,(H,25,26)/b7-5-,12-11+/t15-,16-,18-,19-/m1/s1