Levothyroxine L-thyroxine T4,top quality powder T4,tetraiodothyronine,Levothyroxine,CAS 51-48-9

  • Contact Us
  • Address: Rm. 410, Unit 4, No. 2133, YingBin South Road, Zhuhai City, Guangdong Prov.China Zip:519000

    Tel: +86-189 2806 5608

    E-mail: steroidspowder@qq.com

    Fax: +86-756-8673440

    Whatsapp(wechat): 8618928065608

    Skype: jiny1688

Levothyroxine L-thyroxine T4
Technical features

Description:

Levothyroxine L-thyroxine T4




Levothyroxine
Alias: T4 ; tetraiodothyronine
CAS NO: 51-48-9
Einecs No: 200-101-1
MF: C15H11I4NO4

MW: 776.87

Purity: 98.0%
Appearance: White crystal. This product soluble in alkali solution, insoluble in water, ethanol and ether.

Specifications:

TestSpecificationsResult
AppearanceAlmost white crystalline powderwhite crystalline powder
Identification
(1)iodine
(2)color

1)flame decomposes andlibetates iodine vapors
2)add solution,a pink colour peoduced

1)Pass
2)Pass
Solubility1)Very Slightly Soluble in Water
2)Soluble in Solutions of Alkali hydeoxides and in hot solutions of Alkli Carbonates
3)Slightly Soluble in Alcohol
4)Insoluble in Acetone,Chloroform and in Ether
1)Pass
2)Pass
3)Pass
4)Pass
Specific optical rotation-5°~-6°
(Sol 3.0% mixture from NaOH 1N/Ethanol 1:2)
-5.8°
Loss on drying≤11.0%9.60%
Liothyronine≤2.0%0.8%
Iodide≤0.08%0.06%
Assay97.0%~103.0%98.6%
ConclusionConforms to USP30




Specifications:

TestSpecificationsResult
AppearanceAlmost white crystalline powderwhite crystalline powder
Identification
(1)iodine
(2)color

1)flame decomposes andlibetates iodine vapors
2)add solution,a pink colour peoduced

1)Pass
2)Pass
Solubility1)Very Slightly Soluble in Water
2)Soluble in Solutions of Alkali hydeoxides and in hot solutions of Alkli Carbonates
3)Slightly Soluble in Alcohol
4)Insoluble in Acetone,Chloroform and in Ether
1)Pass
2)Pass
3)Pass
4)Pass
Specific optical rotation-5°~-6°
(Sol 3.0% mixture from NaOH 1N/Ethanol 1:2)
-5.8°
Loss on drying≤11.0%9.60%
Liothyronine≤2.0%0.8%
Iodide≤0.08%0.06%
Assay97.0%~103.0%98.6%
ConclusionConforms to USP30


Description: MORE