91776-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91776-83-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,7,7 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91776-83:
(7*9)+(6*1)+(5*7)+(4*7)+(3*6)+(2*8)+(1*3)=169
169 % 10 = 9
So 91776-83-9 is a valid CAS Registry Number.
InChI:InChI=1/C35H43N4O2.HI/c1-7-36(8-2)34(40)28-16-18-32-30(24-28)26(20-22-38(32)11-5)14-13-15-27-21-23-39(12-6)33-19-17-29(25-31(27)33)35(41)37(9-3)10-4;/h13-25H,7-12H2,1-6H3;1H/q+1;/p-1
91776-83-9Relevant articles and documents
QUINO-4-CYANINES WITH CARBONYL-CONTAINING SUBSTITUENTS
Tolmachev, A. A.,Sheiko, D. I.,Slominskii, Yu. L.
, p. 767 - 771 (2007/10/02)
6-Carbonyl-substituted lepidines and their quaternary salts were synthesized.Quino-4-cyanines were obtained from them.The introduction of carbonyl-containing substituents substantially deepens the color of the dyes obtained.