L-5-Methyltetrahydrofolate Calcium CAS 151533-22-1 for Actual Condition According

Product Description

 

Name:Calcium 5-methyltetrahydrofolate

CAS#:26560-38-3
Appearance:Off-White to Pale Yellow Solid 
Assay:97.0%-102%
Mol.Formula:C20H23CaN7O6 
Melting Point: >300°C 
Mol.Weight:497.52

Certificate of Analysis

Product Name:	Calcium 5-Methyltetrahydrofolate	Molecular Weight:	497.52
CAS No:	26560-38-3	Molecular Formular:	C20H23CaN7O6

 

Item	Standard
Appearance	White to yellow or beige powder
Assay(On dry basis as Ca salt)	97.0%-102.0%
Specific Rotation (C=1.5%in water,25ºC)	+14.5~+18.50
Calcium(Anhydrous basis)	7.0%-8.5%
D-Methylfolate	≤1.0%
Chloride	≤0.5%
Water (K-F)	≤16.0%
Single impurity	≤1.0%
Total impurities	≤2.5%
Residual solvent(Ethanol)	≤5000ppm
Chloride(Cl)	≤0.5%
As	≤1ppm
Heavy Metals	≤20ppm
Boron	≤20ppm
Total plate count	≤100cuf/g
Mold & Yeasts	≤100cuf/g
Salmonella	Negative
E. Coil	Negative

Function

1. mainly for folic acid antagonists (such as methotrexate, pyrimethamine, benzyl cefalexin and trimethoprim) antidote, it's usually used for prevention of methotrexate dose or overdose treatment caused severe toxic effects.
2. folic acid treatment of the following diseases, such as inflammatory diarrhea and protein-energy malnutrition (poor nutrition), pregnancy or infancy megaloblastic anemia caused by poor.
3. as adjuvant therapy for colon cancer, rectal cancer.
4. combined with 5-FU and treatment of digestive tract tumors or other 5-FU-sensitive tumors. High-dose CF used in conjunction with 5-FU (LF), the basic programme is currently the treatment of colon and rectal cancer.
5. for children with leukemia, lymphoma, and osteosarcoma, such as high dose MTX treatment when rescued. 

Application

The calcium salt of (6S)-5-methyltetrahydrofolic acid, calcium salt which belongs to the groupof folate vitamins (Vitamin B9, Folacin). 
It is a coenzymated form of folic acid and a more bioavailable alternative in dietary supplements.

 

Cetirizine is a second generation antihistamine used in the treatment of hay fever, allergies, angioedema, and urticaria.It is a major metabolite of hydroxyzine, and a racemicselective H1 receptor antagonist.
1. Cetirizine is mainly used for urticaria and skin itch caused by allergy ;
2. Cetirizine is used to treat tardive and pressure urticaria,can replace glucocorticoid to be as regular treatment but should be used a large amount;
3. Cetirizine can also have the function for cold urticaria. 

Recommended Storage:
Cetirizine  is recommended to store it in a cool, dry place, sealed from outside air. We ship the product in a double sealed bag which can be resealed. Another container is recommended sealing from outside air.

Our advantages
1.High quality with competitive price.
2. All purity>99%.
3. We are manufacturer and can provide high quality products with factory price.
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1. Parcel can be sent out in 24 hours after payment tracking number available.
2. Secure and discreet  shipment verious transportation methods for your choice.
3. Customs pass rate >99%.
4. We have our own agent/remailer/distributor who can help us ship our products very fast and safe, and we have stock in there for transferring.

We have clients throughout the world.
1. Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet their desire.
2. Market feedback and goods feedback will be appreciated , meeting customers' requirement is our responsibility.
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5.Sample order are welcome.
6.NMR,HPLC and COA can be supplied
7.We can supply sample for testing
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