Home > Name List By other > (2E,4E,6E,8E,10E,12E,14E)-2,6,11,15-tetramethylhexadeca-2,4,6,8,10,12, 14-heptaenedioic acid

CAS No 27876-94-4 , (2E,4E,6E,8E,10E,12E,14E)-2,6,11,15-tetramethylhexadeca-2,4,6,8,10,12,
14-heptaenedioic acid

  • Name: (2E,4E,6E,8E,10E,12E,14E)-2,6,11,15-tetramethylhexadeca-2,4,6,8,10,12,
    14-heptaenedioic acid
  • Synonyms: 8,8'-Diapocarotene-8,8'-dioic acid; 8,8'-Diapocarotenedioic acid; Natural yellow 6; 27876-94-4;trans-Crocetin;(2E,4E,6E,8E,10E,12E,14E)-2,6,11,15-tetramethylhexadeca-2,4,6,8,10,12,
    14-heptaenedioic acid; CHEBI:3918;
  • CAS Registry Number:
  • Melting Point: 285 ºC
  • Flash Point: 321.7°C
  • Boiling Point: 585.1°Cat760mmHg
  • Density: 1.085g/cm3
  • Refractive index: 1.558
  • Flash Point: 321.7°C
  • EINECS: 248-708-0
  • Molecular Weight: 328.40216
  • InchiKey: PANKHBYNKQNAHN-MQQNZMFNSA-N
  • InChI: InChI=1S/C20H24O4/c1-15(11-7-13-17(3)19(21)22)9-5-6-10-16(2)12-8-14-18
    (4)20(23)24/h5-14H,1-4H3,(H,21,22)(H,23,24)/b6-5+,11-7+,12-8+,15-9+,
    16-10+,17-13+,18-14+
  • Molecular Formula: C20H24O4
  • Molecular Structure:CAS No:27876-94-4 (2E,4E,6E,8E,10E,12E,14E)-2,6,11,15-tetramethylhexadeca-2,4,6,8,10,12,<br />14-heptaenedioic acid

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27876-94-4 8,8''-DIAPO-PSI,PSI-CAROTENEDIOIC ACID

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References of (2E,4E,6E,8E,10E,12E,14E)-2,6,11,15-tetramethylhexadeca-2,4,6,8,10,12,
14-heptaenedioic acid
Title: Crocetin
CAS Registry Number: 27876-94-4
CAS Name: 8,8￠-Diapo-y,y-carotenedioic acid
Synonyms: trans-crocetin
Molecular Formula: C20H24O4
Molecular Weight: 328.40
Percent Composition: C 73.15%, H 7.37%, O 19.49%
Literature References: Carotenoid-dicarboxylic acid isolated from Crocus sativus L.; C. albiflorus var. neapolitanus Hort.; C. luteus Lam., Iridaceae. Extraction procedure and structure: Jucker, Karrer, Carotinoide (Basel, 1948) p 282.
Properties: Brick-red rhombs from acetic anhydride, mp 285°. Absorption max (pyridine): 464, 436, 411 nm. Sol in pyridine, in very dil NaOH solns. Very sparingly sol in water, and in the usual organic solvents except pyridine and similar organic bases. Forms a solid dipyridyl salt.
Melting point: mp 285°
Absorption maximum: Absorption max (pyridine): 464, 436, 411 nm
 
Derivative Type: Dimethyl ester
Molecular Formula: C22H28O4
Molecular Weight: 356.46
Percent Composition: C 74.13%, H 7.92%, O 17.95%
Properties: Brick-red elongated leaflets, mp 222.5°. Total synthesis: Buchta, Andree, Naturwissenschaften 46, 74 (1959).
Melting point: mp 222.5°
 
Derivative Type: Di-gentiobiose ester
CAS Registry Number: 42553-65-1
CAS Name: Crocin
Molecular Formula: C44H64O24
Molecular Weight: 976.96
Percent Composition: C 54.09%, H 6.60%, O 39.30%
Literature References: One of the yellow-red pigments of saffron. Isoln and structure: Karrer, Salomon, Helv. Chim. Acta 10, 397 (1927); 11, 513, 711 (1928); Karrer et al., ibid. 12, 985 (1929); 13, 392 (1930); Kuhn, Winterstein, Ber. 67, 344 (1934); Reichstein, Angew. Chem. 74, 887 (1962).
Properties: Hydrated brownish-red needles from methanol, mp 186° (effervescence). Absorption max (methanol): 464, 434 nm. Freely sol in hot water giving an orange-colored soln. Sparingly sol in abs alcohol, ether, other organic solvents.
Melting point: mp 186° (effervescence)
Absorption maximum: Absorption max (methanol): 464, 434 nm