Shaanxi Iknow Biotechnology Co., Ltd.

Shaanxi Iknow Biotechnology Co., Ltd.


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Home ProductsFolic Acid Derivatives

L Methylfolate Calcium Salt Powder CAS 26560-38-3 For Folic Acid Antagonists

L Methylfolate Calcium Salt Powder CAS 26560-38-3 For Folic Acid Antagonists

L Methylfolate Calcium Salt Powder CAS 26560-38-3 For Folic Acid Antagonists

Product Details:

Place of Origin: China
Brand Name: IKNOW
Certification: ISO, SGS
Model Number: Iknow-39

Payment & Shipping Terms:

Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: 1Kg/ Foil bag
Delivery Time: 2-3 working days
Payment Terms: T/T, Western Union, L/C
Supply Ability: 50Kg/Per month
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Detailed Product Description
Name: 5-Methyltetrahydrofolate Calcium Cas: 26560-38-3
Appearance: White To Yellow Or Beige Powder Assay: 99%
Standard: Enterprise Standard Use: Dietary Supplement

L Methylfolate Calcium Salt Power CAS 26560-38-3 For Folic Acid Antagonists


Basic Information 


Product Name 5-Methyltetrahydrofolate calcium
Chemical Name CalciuM 5-Methyltetrahydrofolate
Cas 26560-38-3
MF C20H23CaN7O6
MW 497.51792
Appearance White to Yellow powder 
Assay 99%
Application Food additives
Package 1Kg /Tin or As per your request
Storage Store in cool and dry places ,keep away from strong light
Shelf life 2 years when properly stored


What is 5-Methyltetrahydrofolate calcium ?


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.




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.




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,25℃)

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



Our Advantage


1) Professional Supplier for many years with advanced facility
2) Factory Price with best quantity
3) Accept Custom Order, Avaliable in thickness and package
4) Offer OEM Service
5) Professional Service and on-time delivery
6) Samples Small quantity are available at any time


Contact Details
Shaanxi Iknow Biotechnology Co., Ltd.

Contact Person: Dylan

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