81861-73-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81861-73-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,8,6 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81861-73:
(7*8)+(6*1)+(5*8)+(4*6)+(3*1)+(2*7)+(1*3)=146
146 % 10 = 6
So 81861-73-6 is a valid CAS Registry Number.
InChI:InChI=1/C21H24O10/c22-8-15-18(28)19(29)20(30)21(31-15)16-12(24)6-5-11(17(16)27)14(26)7-13(25)9-1-3-10(23)4-2-9/h1-6,13,15,18-25,27-30H,7-8H2/t13?,15-,18-,19+,20-,21+/m1/s1