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CAS No 547-77-3 , Pregnane-11,20-dione,3,17,21-trihydroxy-, (3a,5a)-

  • Name: Pregnane-11,20-dione,3,17,21-trihydroxy-, (3a,5a)-
  • Synonyms: allo-Tetrahydrocortisone; Allotetrahydrocortisone;Pregnane-11,20-dione,3,17,21-trihydroxy-, (3a,5a)-; Cortisone, allotetrahydro-; 3a,5a-Tetrahydrocortisone; 3a,17a,21-Trihydroxy-5a-pregnane-11,20-dione; 3a,17,21-Trihydroxy-5a-pregnane-11,20-dione;5a-Pregnane-11,20-dione, 3a,17,21-trihydroxy- (7CI,8CI);
  • CAS Registry Number:
  • Flash Point: 297.1°C
  • Boiling Point: 544.5°Cat760mmHg
  • Density: 1.249g/cm3
  • Refractive index: 1.569
  • Flash Point: 297.1°C
  • EINECS: 208-936-3
  • Molecular Weight: 364.48
  • InChI: InChI=1/C21H32O5/c1-19-7-5-13(23)9-12(19)3-4-14-15-6-8-21(26,17(25)11-22)20(15,2)10-16(24)18(14)19/h12-15,18,22-23,26H,3-11H2,1-2H3/t12-,13+,14-,15-,18+,19-,20-,21-/m0/s1
  • Molecular Formula: C21H32 O5
  • Molecular Structure:CAS No:547-77-3 Pregnane-11,20-dione,3,17,21-trihydroxy-, (3a,5a)-
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547-77-3 Allotetrahydrocortisone

  • Allotetrahydrocortisone, 98,0%
  • United Kingdom UK GREEN SCIENTIFIC CO.,LIMITED [Manufacturer]
  • Tel: +44 (0) 870 432 5158
  • Fax: +44 (0) 870 432 4488
  • Address: SUITE 8525,16-18 CIRCUS ROAD, ST.JOHN?S WOOD,
    LONDON, UNITED KINGDOM
    POSTCODE: NW86PG null,nullUnited Kingdom
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547-77-3 3alpha,17,21-trihydroxy-5alpha-pregnane-11,20-dione

  • 3alpha,17,21-trihydroxy-5alpha-pregnane-11,20-dione, 98%min.
  • China JS(Tianjin) Chemical & Metallurgical Co., Ltd. [Manufacturer]
  • Tel: 86-22-23681938
  • Fax: 86-22-23680158
  • Address: No.237,HongQi Nan Road,NanKai Distr.,Tianjin,China. 300191 300191 TianjinCHINA Tianjin,nullChina
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547-77-3 ALLOTETRAHYDROCORTISONE

  • China Nanjing Chemlin Chemical Industry Co.,Ltd. [Manufacturer]
  • Tel: +86 25 8369-7070/ +86 138 51816776 (Mobile)
  • Fax: +86 25 8345-3275
  • Address: Rm.902 Longyin Plaza,
    No. 217 Zhongshan Rd.
    (N)Nanjing 210009,China null,nullChina
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References of Pregnane-11,20-dione,3,17,21-trihydroxy-, (3a,5a)-
Title: Allotetrahydrocortisone
CAS Registry Number: 547-77-3
CAS Name: (3a,5a)-3,17,21-Trihydroxy-pregnane-11,20-dione
Synonyms: Reichstein's substance Dehydro-C; 11-dehydro C; allopregnane-3a,17a,21-triol-11,20-dione
Molecular Formula: C21H32O5
Molecular Weight: 364.48
Percent Composition: C 69.20%, H 8.85%, O 21.95%
Literature References: Isoln from beef adrenals: v. Euw et al., Helv. Chim. Acta 41, 1516 (1958). Synthesis of the 3a,21-diacetate: Nagata et al., ibid. 42, 1399 (1959).
Properties: Rhombohedric leaflets from acetone + water, mp 212-214°.
Melting point: mp 212-214°
 
Derivative Type: 3a,21-Diacetate
Molecular Formula: C25H36O7
Molecular Weight: 448.55
Percent Composition: C 66.94%, H 8.09%, O 24.97%
Properties: Rhombohedric platelets, mp 225-227°; [a]D25 +94.2 ±1.5° (c = 1.45 in dioxane).
Melting point: mp 225-227°
Optical Rotation: [a]D25 +94.2 ±1.5° (c = 1.45 in dioxane)