Betamethasone Impurity 13

SZ CAT No:	SZ-B025083
CAS No	NA
Mol.F.	C25H30O5
Mol.Wt.	410.5
Inv. Status	Custom Synthesis

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Chemical Name: 2-Oxo-2-((4aS,4bS,5aS,6aS,9aS,9bS)-4a,6a,8-trimethyl-2-oxo-2,4a,5a,6,6a,9,9a,9b,10,11-decahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)ethyl propionate

Shipping Temperature: Ambient

HSN Code: 38229010

Country of Origin: India

Smiles: CCC(OCC(C1=C(C)C[C@]2([H])[C@]1(C)C[C@]3([H])O[C@@]34[C@@]5(C)C=CC(C=C5CC[C@@]24[H])=O)=O)=O

Application of LC–MSn in conjunction with mechanism-based stress studies in the elucidation of drug impurity structure: Rapid identification of a process impurity in betamethasone 17-valerate drug substance
Min Li, Mingxiang Lin, Abu Rustum
Journal of Pharmaceutical and Biomedical Analysis 48 (2008) 1451–1456

Development and Validation of Stability-indicating HPLC Method for Betamethoasone Dipropionate and Related Substances in Topical Formulation
A. s. vairale*, p. sivaswaroop1 and s. bandana
Indian Journal of Pharmaceutical Sciences 74(2):107-15

Betamethasone Impurity 13 is chemically 2-Oxo-2-((4aS,4bS,5aS,6aS,9aS,9bS)-4a,6a,8-trimethyl-2-oxo-2,4a,5a,6,6a,9,9a,9b,10,11-decahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)ethyl propionate. Betamethasone Impurity 13 is supplied with detailed characterization data compliant with regulatory guideline. Betamethasone Impurity 13 can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Betamethasone.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. SynZeal products are for analytical purpose only and not for human use.

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16(17)a-Homobetamethasone Sodium Phosphate

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Lumibetamethasone Dipropionate

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Mol.F.	: C28H37FO7
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Inv. Status	: Custom Synthesis

Δ-4,6-Betamethasone

SZ CAT No:	: SZ-B025077
CAS No	: 2317-44-4
Mol.F.	: C22H27FO5
Mol.Wt.	: 390.5
Inv. Status	: In Stock

Δ-9,11-Betamethasone 21-Acetate

SZ CAT No:	: SZ-B025074
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Mol.F.	: C24H30O5
Mol.Wt.	: 398.5
Inv. Status	: In Stock

Δ-9,11-Betamethasone 21-Phosphate

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CAS No	: NA
Mol.F.	: C22H29O7P
Mol.Wt.	: 436.4
Inv. Status	: In Stock

Betamethasone Impurity 13

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