Tacrolimus (FK506) ...

Tacrolimus (FK506) CAS : 104987-11-3

Tacrolimus (FK506) CAS : 104987-11-3

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Tacrolimus FK506 104987-11-3

Quick Details

  • Appearance:A white or off-white crystalline powder
  • Application:1) Anti-rejection in organ transplantation 2) Treatment of skin diseases. like atopic dermatitis (AD), systemic lupus erythematosus (SLE), autoimmune eye disease and other autoimmune disease
  • PackAge:10g-1kg/bag
  • ProductionCapacity:5000|Gram|Month
  • Storage:
  • Transportation:

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Details:

Tacrolimus

 

Basic information of Tacrolimus :

Name

Tacrolimus  (FK506)

CAS :

104987-11-3

Molecular Formula

C44H69NO12 ·H2O

Molecular Weight

822.04

Quality Standard

In-house Standard, Assay: >99.0%  / USP36

Package Size

Aluminium bag; Weight: Net weight 50g/bag and 100g/bag

Brief Introduction

Tacrolimus is a macrolide immunosuppressant produced by Streptomyces tsukubaensis.  Tacrolimus is used to prevent rejection of organ transplants.  Tacrolimus is 10 to 100 times superior to cyclosporin in improving graft survival and preventing acute rejection after transplantation, but decreasing the toxin side effects.

 

Use of Tacrolimus : 

1) Anti-rejection in organ transplantation

2) Treatment of skin diseases. like atopic dermatitis (AD), systemic lupus erythematosus (SLE), autoimmune eye disease and other autoimmune diseases

 

COA of Tacrolimus :

Tests

Specifications

Results

Description

A white or off-white crystalline powder

Conform

Identification

1. IR (USP <197K>)

Conform

 

2. HPLC retention times

Conform

Water 

(USP <921> Method I)

1.6 ~ 3.0%

2.1%

Residue on ignition 

(USP <281>)

£ 0.2%

0.08%

Heavy metals 

(USP <231> II)

£ 20 ppm

< 20 ppm

Related substances (In-house HPLC method)

Ascomycin £ 0.8%

0.064%

 

Dihydrotacrolimus £ 0.6%

0.089%

 

Total impurities £ 1.5%

0.15%

Residual solvents 

(In-house method)

Acetone £ 2000 ppm

Not detected

 

Ethanol £ 2000 ppm

Not detected

Assay (on anhydrous basis)

98.0% ~ 102.0%

100.0%

Conclusion: Complied with In-House standard

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