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China Cheap price Temozolomide - High Purity USP BP EP 59-05-2 Methotrexate for Tumour Treatment – Yibai

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China Cheap price Temozolomide - High Purity USP BP EP 59-05-2 Methotrexate for Tumour Treatment – Yibai Detail:

Product name Methotrexate
Synonyms (+)-Amethopterin; (+)-4-Amino-10-methylfolic acid; N-(p-(((2,4-Diamino-6-pteridinyl)methyl)methylamino)benzoyl)-L-glutamic acid
CAS No. 59-05-2
Appearance Yellow crystalline powder
Molecular Formula C20H22N8O5
Molecular Weight 454.44
Application Medicine grade or research purpose
Packing As per your request
Storage Preserve in tight,light-resistant containers in a cool place

 

Certificate of Analysis Test according to: EP9.0

Methotrexate CAS No.: 59-05-2

ITEMS

STANDARDS

RESULTS

Appearance Yellow or orange, crystalline, hygroscopic powder Complies
Identification IR;UV Complies
Solubility Practically insoluble in water, in ethanol(96%) and in methylene chloride. It dissolves in dilute mineral acids and in dilute solutions of alkali hydroxides and carbonates. Complies
Water ≤13% 11.8%
Related Substances Impurity B≤0.3%Impurity C≤0.5%

Impurity E≤0.3%

Impurity H≤0.2%

Impurity I≤0.2%

Unspecified Impurities≤0.05%

Sum of impurities other than B,C&E≤0.5%

0.04%0.45%

0.03%

ND

ND

0.02%

0.04%

Enantiomeric Purity ≤3.0% 1.6%
Heavy Metals ≤20ppm  Complies
Sulphated Ash ≤0.1% 0.07%
Residual Solvents Ethyl ether≤500ppmAcetone≤1000ppm

Ethanol≤ 2000ppm

20ppm63ppm

48ppm

Assay 97.0~102.0% 99.49%

 

Certificate of Analysis Test according to: USP32

Methotrexate CAS No.: 59-05-2

ITEMS

STANDARDS

RESULTS

CHARACTERISTICS Yellow crystalline powder Complies
IDENTIFICATION IR. UV Conform Complies
WATER ≤12%  10.8%
RESIDUE ON IGNITION ≤0.1% 0.07%
Chromatographic purity Single impurity:≤0.5% 0.27%
Total Impurities:≤2.0 % 0.73%
SPECIFIC ROTATION  Between  +19°to +24°  +21.25°
ASSAY 98.0~102.0% 99.27%

Company Information

√ Management layer’s full experience in factory and skilled technicians followers;
√ Quality is always our top consideration, Strict QC system;
√ 11 years experienced exporting sales team;
√ Independent R&D lab;
√ Two signed long term GMP workshops;
√ Rich resources of plenty idle factories for customized project;
√ High Efficiency working team with consistent path.
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China Cheap price Temozolomide - High Purity USP BP EP 59-05-2 Methotrexate for Tumour Treatment – Yibai detail pictures

China Cheap price Temozolomide - High Purity USP BP EP 59-05-2 Methotrexate for Tumour Treatment – Yibai detail pictures

China Cheap price Temozolomide - High Purity USP BP EP 59-05-2 Methotrexate for Tumour Treatment – Yibai detail pictures


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Our merchandise are commonly identified and dependable by end users and will meet continually altering financial and social desires for China Cheap price Temozolomide - High Purity USP BP EP 59-05-2 Methotrexate for Tumour Treatment – Yibai , The product will supply to all over the world, such as: Namibia, France, Iran, We hope we can establish long-term cooperation with all of the customers, and hope we can improve competitiveness and achieve the win-win situation together with the customers. We sincerely welcome the customers from all over the world to contact us for anything you need!Welcome all customers both at home and abroad to visit our factory. We hope to have win-win business relationships with you, and create a better tomorrow.
  • This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
    5 Stars By Gail from Japan - 2018.06.18 19:26
    In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
    5 Stars By Claire from Namibia - 2017.01.28 18:53
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