CAS 104987-11-3 Tacrolimus Raw Material Drugs for Cushing's Syndrome Treatment

Basic Information
Place of Origin: China
Brand Name: Senwayer Brand
Certification: ISO, 9001, USP
Model Number: 104987-11-3
Minimum Order Quantity: 10grams
Price: Discount is possible if your order is big enough
Packaging Details: 10g, 20g, 50g , 100g, 500g. 1kg, 10kg
Delivery Time: within 2 working days
Payment Terms: T/T in advance, Money Gram, Western Union, Bank Transfer.
Supply Ability: 1000kg/month
Detail Information
CAS: 104987-11-3 MF: C44H69NO12
Apparence: White Crystalline Powder Purity: 99%
Grade: Pharma Grade Stock: Enough Stock
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Product Description

Tacrolimus CAS 104987-11-3 Raw Material Drugs Treatment of Cushing's Syndrome Powder
Quick detail

Name: Tacrolimus
CAS No.: 104987-11-3
Formula: C44H69NO12
Molecular Weight: 804.02
Synonyms: 4,5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-heptadecahydro-5,19-dihydroxy-3-;FK-506;FK506;FR 900506;Prograf;dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-,(3S,4R,5S,8R,12S,14S,15R,16S,18R,19R,26aS)-;FK 506;Fujimycin;FR-900506;[(E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-14,16-; Tacrolimus (FK506);Tacrolimus(FK-506);Tacrolimus(FK506);Tacrolimus, FK-506; Taccrolimus; Tacrolimus [GMP];15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(23H)-tetrone,;Prograde metamorphismPrograf;
Density: 1.19 g/cm3
Melting Point: 113-115 °C
Boiling Point: 871.7 °C at 760 mmHg
Flash Point: 481 °C
Solubility: DMSO: >3 mg/mL
Appearance: White or off-white crystalline powder


Tacrolimus Description

Tacrolimus ointment helps reduce inflammatory skin reactions. It is prescribed for people with moderate-to-severe eczema, usually as an alternative to other treatments such as steroid creams or ointments. It is applied topically (on to the skin) to reduce symptoms such as inflammation, redness and itching. Tacrolimus ointment is available in two strengths: 0.03% and 0.1%. Only the lower, 0.03% strength, is suitable for use by children. It will be prescribed initially by a skin specialist doctor.

Tacrolimus is also available as a medicine which is taken by mouth, but this is prescribed for a completely different medical condition. There is a separate information leaflet available about this called Tacrolimus to prevent organ rejection.


 Tacrolimus Usage 

Usage 1 An immunosuppressant that blocks T cell proliferation in vitro by inhibiting the generation of several lymphokines, especially IL-2. Shown to inhibit the activity of FK-506 binding protein, thereby reversing its effects on sarcoplasmic reticulum Ca+2 release.
Usage 2 FK-506 (Tacrolimus) is a macrolide immunosuppressive drug that is mainly used after allogeneic organ transplant to reduce the activity of the patient's immune system
Usage 3 Tacrolimus (fujimycin) was discovered as a potent inhibitor of IL2 production in a targeted search for novel immunosuppressants. Tacrolimus acts by blocking T cell proliferation in vitro by inhibiting the generation of several lymphokines, notably the original target IL-2. Tacrolimus inhibits the activity of FK-506 binding protein, Ca2+-dependent phosphatase and calcineurin, and activates NF-κB through phosphorylation and degradation of IκBα.
Usage 4 treatment of Cushing's syndrome
Usage 5 For use after allogenic organ transplant to reduce the activity of the patient's immune system and so the risk of organ rejection. It was first approved by the FDA in 1994 for use in liver transplantation, this has been extended to include kidney, heart,


How to use Tacrolimus

  1. Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about the ointment and will provide you with a full list of the side-effects which you may experience from using it.
  2. Apply a thin layer of ointment to the commonly affected areas of your skin twice daily (it is usually recommended that you apply it morning and evening). It can be applied to most areas of skin on your body, but do not apply it to areas such as your lips, the inside of your nose, or near to your eyes. Do not apply it to any area of skin that could be infected. Remember to wash your hands well after using the ointment unless you are treating your hands.
  3. If you forget to apply the ointment, apply it as soon as you remember and then continue as before.


Tacrolimus Specification

Tests Specifications Results
Description A white or off-white crystalline powder Conform
Identification 1. IR (USP <197K>) Conform
  2. HPLC retention times Conform
(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%
Residual solvents
(In-house method)
Acetone £ 2000 ppm Not detected
Assay (on anhydrous basis) 98.0% ~ 102.0% 99.8.0%
Conclusion: Complied with In-House standard


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