131785-80-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131785-80-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,7,8 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 131785-80:
(8*1)+(7*3)+(6*1)+(5*7)+(4*8)+(3*5)+(2*8)+(1*0)=133
133 % 10 = 3
So 131785-80-3 is a valid CAS Registry Number.
InChI:InChI=1/C18H34O4/c1-2-3-9-12-16(19)15-17(20)13-10-7-5-4-6-8-11-14-18(21)22/h9,12,16-17,19-20H,2-8,10-11,13-15H2,1H3,(H,21,22)/b12-9+