Entecavir EP Impurity B

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For Research Use Only | Not For Clinical Use

CAT	APB1367369774
CAS	1367369-77-4
Synonyms	2-amino-9-((1S,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one hydrochloride
Molecular Weight	313.74
Molecular Formula	C12H15N5O3·HCl

What is the product name of CAS 1367369-77-4?

The product name is Entecavir EP Impurity B.

What is the molecular weight of Entecavir EP Impurity B?

The molecular weight is 313.74.

What is the molecular formula of Entecavir EP Impurity B?

The molecular formula is C12H15N5O3·HCl.

Can you provide a synonym for Entecavir EP Impurity B?

Yes, a synonym is 2-amino-9-((1S,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one hydrochloride.

What is the chemical structure of Entecavir EP Impurity B?

The chemical structure is HCl/N=C2/N=C(\N)NC(=N1)=C(C)N=C1OC/[C@@H]3/[C@@H](CO)C[C@H](O)[C@@H]3CO.

Is Entecavir EP Impurity B a pure compound?

No, it is an impurity of Entecavir.

What role does Entecavir EP Impurity B play in the chemical mixture?

It is an impurity that may affect the quality or stability of the main compound, Entecavir.

What is the significance of identifying and quantifying impurities like Entecavir EP Impurity B?

Identifying and quantifying impurities is important for ensuring the quality, safety, and efficacy of pharmaceutical products.

How is Entecavir EP Impurity B typically detected and analyzed in pharmaceutical manufacturing?

It can be detected and analyzed using techniques like high-performance liquid chromatography (HPLC) and mass spectrometry.

Are there regulatory guidelines in place regarding the acceptable levels of impurities in pharmaceutical products like Entecavir EP Impurity B?

Yes, regulatory agencies like the FDA and EMA have guidelines on impurity levels in pharmaceutical products to ensure patient safety and product quality.

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