77648-51-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77648-51-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,6,4 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77648-51:
(7*7)+(6*7)+(5*6)+(4*4)+(3*8)+(2*5)+(1*1)=172
172 % 10 = 2
So 77648-51-2 is a valid CAS Registry Number.
InChI:InChI=1/C22H30O9/c1-8-5-12(24)17(26)20(4)11(8)6-13-21-7-29-22(28,19(20)21)16(25)9(2)14(21)15(18(27)31-13)30-10(3)23/h8-9,11,13-17,19,25-26,28H,5-7H2,1-4H3/t8-,9+,11?,13+,14-,15+,16+,17+,19+,20+,21-,22-/m0/s1