115920-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 115920-77-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,9,2 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 115920-77:
(8*1)+(7*1)+(6*5)+(5*9)+(4*2)+(3*0)+(2*7)+(1*7)=119
119 % 10 = 9
So 115920-77-9 is a valid CAS Registry Number.
InChI:InChI=1/C33H35N2S2.HI/c1-4-34-28-19-8-10-21-30(28)36-32(34)23-12-6-15-26-17-14-18-27(25(26)3)16-7-13-24-33-35(5-2)29-20-9-11-22-31(29)37-33;/h6-13,15-16,19-24H,4-5,14,17-18H2,1-3H3;1H/q+1;/p-1
115920-77-9Relevant articles and documents
CHEMISTRY OF ENOL ETHERS. LXXXIII. SYNTHESIS AND INVESTIGATION OF PENTA- AND HEXACARBOCYANINE DYES CONTAINING CYCLIC FRAGMENTS IN THE POLYMETHINE CHAIN
Makin, S. M.,Shavrygina, O. A.,Boiko, T. N.,Monich, N. V.,Pomogaev, A. I.
, p. 754 - 759 (2007/10/02)
4,6-Dimethylene- and 4,6-trimethylene-1,1,3,7,9-pentaethoxy-4,8-nonadienes were obtained by the reaction of 2,4-dimethylene- and 2,4-trimethylene-1,1,5,7-tetraethoxy-2,6-heptadienes with vinyl ethyl ether.Treatment of the products with N-methylaniline in