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CAS No 3521-62-8 , Erythromycin estolate

  • Name: Erythromycin estolate
  • Synonyms: Erythromycin estolate;Erythromycin 2'-propionate dodecyl sulfate;-;
  • CAS Registry Number:
  • Safety Statements: R22;R42/43
  • Hazard Symbols: Xn: Harmful;
  • EINECS: 222-532-4
  • Molecular Weight: 1056.39
  • InChI: InChI=1/C40H71NO14.C12H26O4S/c1-15-27-40(11,48)33(44)22(5)30(43)20(3)18-38(9,47)35(55-37-32(53-28(42)16-2)26(41(12)13)17-21(4)50-37)23(6)31(24(7)36(46)52-27)54-29-19-39(10,49-14)34(45)25(8)51-29;1-2-3-4-5-6-7-8-9-10-11-12-16-17(13,14)15/h20-27,29,31-35,37,44-45,47-48H,15-19H2,1-14H3;2-12H2,1H3,(H,13,14,15)/t20-,21?,22+,23?,24-,25?,26?,27-,29?,31+,32?,33-,34?,35-,37?,38-,39?,40-;/m1./s1
  • Risk Statements: S22;S36
  • Molecular Formula: C40H71NO14.C12H26O4S
  • Molecular Structure:CAS No:3521-62-8 Erythromycin estolate

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References of Erythromycin estolate
Title: Erythromycin Estolate
CAS Registry Number: 3521-62-8
CAS Name: Erythromycin 2￠-propanoate dodecyl sulfate (salt)
Synonyms: erythromycin propionate lauryl sulfate; lauryl sulfate salt of the propionic acid ester of erythromycin; propionylerythromycin lauryl sulfate
Trademarks: Eritroger (Isnardi); Eromycin; Ilosone (Lilly); Lauromicina (Dukron); Neo-Erycinum (Schering AG); PELS; Roxomicina; Stellamicina; Eriscel (Rachelle); Estomicina (Bergamon); Eupragin (Alcon-Thilo); Marcoeritrex; Togiren (Schwarzhaupt)
Molecular Formula: C52H97NO18S
Molecular Weight: 1056.39
Percent Composition: C 59.12%, H 9.26%, N 1.33%, O 27.26%, S 3.04%
Line Formula: C40H71NO14.CH3(CH2)11OSO3H
Literature References: Prepn from propionyl erythromycin: Stephens et al., J. Am. Pharm. Assoc. 48, 620 (1959); Bray, Stephens, US 3000874 (1961 to Lilly). Toxicity: E. I. Goldenthal, Toxicol. Appl. Pharmacol. 18, 185 (1971). Comprehensive description: J. M. Mann, Anal. Profiles Drug Subs. 1, 101-117 (1972). For structure see Erythromycin.
Properties: Long needles, mp 135-140° (dec). pKa 6.9. Soly in water: 0.024 mg/ml; sol in alcohol, acetone, chloroform. LD50 orally in rats: >5000 mg/kg (Goldenthal).
Melting point: mp 135-140° (dec)
pKa: pKa 6.9
Toxicity data: LD50 orally in rats: >5000 mg/kg (Goldenthal)
Therap-Cat: Antibacterial.
Keywords: Antibacterial (Antibiotics); Macrolides.