97777-78-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97777-78-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,7,7 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 97777-78:
(7*9)+(6*7)+(5*7)+(4*7)+(3*7)+(2*7)+(1*8)=211
211 % 10 = 1
So 97777-78-1 is a valid CAS Registry Number.
InChI:InChI=1/C27H29NO11/c1-10-21(32)13(28)8-16(38-10)39-26-18-12(6-7-27(26,36)15(31)9-29)23(34)19-20(25(18)37-2)24(35)17-11(22(19)33)4-3-5-14(17)30/h3-5,10,13,16,21,26,29-30,32,34,36H,6-9,28H2,1-2H3