Pravastatin EP Impurity E (Free Base)

Name: Pravastatin EP Impurity E (Free Base)
Brand: Vaqora Chemicals
SKU: VQ-043264

About Pravastatin EP Impurity E (Free Base)

Vaqora Chemicals supplies Pravastatin EP Impurity E (Free Base), a pharmacopeial impurity of Pravastatin registered under CAS number 136657-41-5. Formula C23H36O8, molecular weight 440.5 g/mol. It is also known as Pravastatin Impurity E or Pravastatin - Impurity E.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Pravastatin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Pravastatin EP Impurity E (Free Base) in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Pravastatin

View every impurity, metabolite and intermediate we list for Pravastatin.

Pravastatin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Pravastatin EP Impurity E (Free Base)
Catalogue No.	VQ-043264
CAS Number	136657-41-5
IUPAC name	(3R,5R)-7-[(1S,2S,6S,8S,8aR)-6-hydroxy-8-[(2S,3S)-3-hydroxy-2-methylbutanoyl]oxy-2-methyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl]-3,5-dihydroxyheptanoic acid
Molecular formula	C₂₃H₃₆O₈
Molecular weight	440.5 g/mol
Exact mass	440.241
Grade	Reference Standard
HSN code	38229090
InChIKey	ASZMMNUWSMFMJO-FBIVGABFSA-N
SMILES	C[C@H]1C=CC2=C[C@H](C[C@@H]([C@@H]2[C@H]1CC[C@H](C[C@H](CC(=O)O)O)O)OC(=O)[C@@H](C)[C@H](C)O)O
PubChem CID	11305255

Physical properties
Physical form	Solid
LogP (XLogP3)	0.9
H-bond donors / acceptors	5 / 8
TPSA	145 Å²
Synonyms	Pravastatin Impurity E, Pravastatin - Impurity E, 3-Hydroxypravastatin, (S)-, 3''-(S)-Hydroxypravastatin, (S)-3-hydroxypravastatin

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Pravastatin EP Impurity E (Free Base)?

The CAS Registry Number of Pravastatin EP Impurity E (Free Base) is 136657-41-5. It is also known as Pravastatin Impurity E, Pravastatin - Impurity E, 3-Hydroxypravastatin, (S)-.

What is the molecular formula and molecular weight of Pravastatin EP Impurity E (Free Base)?

Pravastatin EP Impurity E (Free Base) has the molecular formula C23H36O8 and a molecular weight of 440.5 g/mol. Its IUPAC name is (3R,5R)-7-[(1S,2S,6S,8S,8aR)-6-hydroxy-8-[(2S,3S)-3-hydroxy-2-methylbutanoyl]oxy-2-methyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl]-3,5-dihydroxyheptanoic acid.

What is Pravastatin EP Impurity E (Free Base) used for?

Pravastatin EP Impurity E (Free Base) is supplied as a characterised reference material related to Pravastatin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Pravastatin EP Impurity E (Free Base) can I order?

We supply Pravastatin EP Impurity E (Free Base) in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Pravastatin EP Impurity E (Free Base)?

Yes. Every lot of Pravastatin EP Impurity E (Free Base) is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Pravastatin EP Impurity E (Free Base) be shipped internationally?

Yes. We export Pravastatin EP Impurity E (Free Base) worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.