Good Quality Fine Chemicals – Factory Direct Supply Manufacturer 31618-90-3 DESMP for Tenofovir Intermediate – Yibai

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Good Quality Fine Chemicals – Factory Direct Supply Manufacturer 31618-90-3 DESMP for Tenofovir Intermediate – Yibai Detail:

Product name	Diethyl (tosyloxy)methylphosphonate
Synonyms	Diethyl [[(p-toluenesulfonyl)oxy]methyl]phosphonate; Diethyl [[[(4-tolyl)sulfonyl]oxy]methyl]phosphonate; Diethyl p-tosyloxymethylphosphonate; Tosyloxymethyl diethyl phosphonate; [[[(4-Tolyl)sulfonyl]oxy]methyl]phosphonic acid diethyl ester
CAS No.	31618-90-3
Appearance	Clear colorless to pale yellow liquid
Molecular Formula	C₁₂H₁₉O₆PS
Molecular Weight	322.31
Application	Medicine grade or research purpose
Packing	As per your request
Storage	Preserve in tight,light-resistant containers in a cool place

DIETHYL P-TOLUENE SULPHONYLOXY METHYL PHOSPHONATE (CAS#31618-90-3)
ITEMS	STANDARDS	RESULTS
Description	Clear colorless to pale yelow liquid	Complies
Miscibility	Miscible with methanol and Tetrahydrofuran	Complies
Identification	IR	Complies
Moisture content (KF)	≤ 1.0% W/V	0.5%
Chromatographic Purity by HPLC	Content of Ethyl tosylate ≤ 0.50% Total impurities (excluding Toluene) ≤ 2.0%	0.37% 1.24%
Assay by HPLC (On anhydrous and toluene free basis)	≥98.0% (w/w)	98.76%
Toluene (HPLC)	≤ 10.0%	3.7%
Conclusion	This sample meets the specifications.

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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Well-run gear, qualified revenue workforce, and superior after-sales companies; We've been also a unified huge loved ones, anyone persist with the organization benefit "unification, determination, tolerance" for Good Quality Fine Chemicals – Factory Direct Supply Manufacturer 31618-90-3 DESMP for Tenofovir Intermediate – Yibai , The product will supply to all over the world, such as: Swaziland, Nicaragua, Lesotho, Wide selection and fast delivery to suit your needs! Our philosophy: Good quality, great service, keep improving. We've been looking forward that more and more oversea friends join in our family for further development near the future!

Fine Chemicals

Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.