50816-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50816-66-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,8,1 and 6 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 50816-66:
(7*5)+(6*0)+(5*8)+(4*1)+(3*6)+(2*6)+(1*6)=115
115 % 10 = 5
So 50816-66-5 is a valid CAS Registry Number.
InChI:InChI=1/C23H28O7/c1-11(2)20(24)27-15-9-18-23(7,30-18)10-17(29-21(25)12(3)4)19-14(6)22(26)28-16(19)8-13(15)5/h8,15-19H,1,3,6,9-10H2,2,4-5,7H3/b13-8-/t15-,16+,17+,18+,19-,23+/m0/s1