Adefovir Dipivoxil Intermediates?? Pharmaceutical Intermediates? CAS NO 116384-53-3? 98%?

Quick Detail:

Description:

> Formula:C12H20N5O4P

> Weight: 329.29

> Appearance:White to off-white powder

> MP:

> Storage:Preserve in a well-closed container and keep in cool, dry place

> Danger Description:

> Safety? Description:

> Danger Symbol:

> Shelf?life:two years

Specifications

Synonyms:

9-[2-(DIETHYLPHOSPHONOMETHOXY)ETHYL]ADENINE;[[2-(6-AMINO-9H-PURIN-9-YL)ETHOXY]METHYL]PHOSPHONIC ACID DIETHYL ESTER;9-[2-(Diethylphosphonomethoxy)ethyl]adenine(Diethyl PMEA);9-[2-(6-amino-9H-purin-9-yl)ethoxy]methyl]phosphonicaciddiethylester;[[2-(6-Amino-9H-purin-9-yl)ethoxy]methyl]phosphonic acid diethyl ester(A3);Adefovir Dipivoxil InterMediates;Diethyl [[2-(6-AMino-9H-purin-9-yl)ethoxy]Methyl]phosphonate;9-[2-(DIETHYLPHOSPHONOMETHOXY)ETHYL]ADENINE; 9-[2-(Diethylphosphonomethoxy)ethyl]adenine(Diethyl PMEA); 9-[2-(6-amino-9H-purin-9-yl)ethoxy]methyl]phosphonicaciddiethylester; 9-[2-(diethoxyphosphorylmethoxy)ethyl]purin-6-amine; 9-[2-(diethylphosphonomethoxy)ethyl]adenine phosphonic acid

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The determination of Loss on drying

??Weigh a sample of approximately 2g (weighing accuracy 0.0001g),Record the weight of m,The sample was placed in a Petri dish constant weight (weight recorded as m0), the tile, the thickness of not more than 5mm, into the oven (As next dish cover removed) drying at 105-110 ℃ 3 hours.When removing, make sure the dish cover,be placed in a desiccator to cool, then weighed and the weight (including surface dish) m1.

Loss on drying in accordance with the following formula:

Where:

???????? m-- sample, g

?????? m0-- dish, g

???????? ?m1-- After drying the quality of the sample and the dish, g