All-rac-alfa-Tocopherol EP Impurity A (Mixtur… 185672-33-7

About All-rac-alfa-Tocopherol EP Impurity A (Mixture of Diastereomers)

All-rac-alfa-Tocopherol EP Impurity A (Mixture of Diastereomers) is a pharmacopeial impurity of Vitamin E carrying the CAS registry number 185672-33-7. Formula C29H50O2, molecular weight 430.7 g/mol. Systematically, it is named 2,3,4,6,7-pentamethyl-2-(4,8,12-trimethyltridecyl)-3H-1-benzofuran-5-ol. Alternative names: Vitamin E EP Impurity A and Vitamin E - Impurity A.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Vitamin E to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, All-rac-alfa-Tocopherol EP Impurity A (Mixture of Diastereomers) is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Vitamin E

View every impurity, metabolite and intermediate we list for Vitamin E.

Vitamin E impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	All-rac-alfa-Tocopherol EP Impurity A (Mixture of Diastereomers)
Catalogue No.	VQ-034664
CAS Number	185672-33-7
IUPAC name	2,3,4,6,7-pentamethyl-2-(4,8,12-trimethyltridecyl)-3H-1-benzofuran-5-ol
Molecular formula	C₂₉H₅₀O₂
Molecular weight	430.7 g/mol
Exact mass	430.3811
Grade	Reference Standard
HSN code	38229090
InChIKey	PMIMOLIQGNWOJE-UHFFFAOYSA-N
SMILES	CC1C2=C(C(=C(C(=C2C)O)C)C)OC1(C)CCCC(C)CCCC(C)CCCC(C)C
PubChem CID	12018728

Physical properties
Physical form	Solid
LogP (XLogP3)	10.7
H-bond donors / acceptors	1 / 2
TPSA	29.5 Å²
Synonyms	Vitamin E EP Impurity A, Vitamin E - Impurity A, Vitamin E Impurity A, 2,3,4,6,7-Pentamethyl-2-(4,8,12-trimethyltridecyl)-2,3-dihydrobenzofuran-5-ol, Tocopherol impurity 37, Tocopherol Impurity 61

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 All-rac-alfa-Tocopherol EP Impurity A (Mixture of Diastereomers)?

The CAS Registry Number of All-rac-alfa-Tocopherol EP Impurity A (Mixture of Diastereomers) is 185672-33-7. It is also known as Vitamin E EP Impurity A, Vitamin E - Impurity A, Vitamin E Impurity A.

What is the molecular formula and molecular weight of All-rac-alfa-Tocopherol EP Impurity A (Mixture of Diastereomers)?

All-rac-alfa-Tocopherol EP Impurity A (Mixture of Diastereomers) has the molecular formula C29H50O2 and a molecular weight of 430.7 g/mol. Its IUPAC name is 2,3,4,6,7-pentamethyl-2-(4,8,12-trimethyltridecyl)-3H-1-benzofuran-5-ol.

What is All-rac-alfa-Tocopherol EP Impurity A (Mixture of Diastereomers) used for?

All-rac-alfa-Tocopherol EP Impurity A (Mixture of Diastereomers) is supplied as a characterised reference material related to Vitamin E. 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 All-rac-alfa-Tocopherol EP Impurity A (Mixture of Diastereomers) can I order?

We supply All-rac-alfa-Tocopherol EP Impurity A (Mixture of Diastereomers) 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 All-rac-alfa-Tocopherol EP Impurity A (Mixture of Diastereomers)?

Yes. Every lot of All-rac-alfa-Tocopherol EP Impurity A (Mixture of Diastereomers) 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 All-rac-alfa-Tocopherol EP Impurity A (Mixture of Diastereomers) be shipped internationally?

Yes. We export All-rac-alfa-Tocopherol EP Impurity A (Mixture of Diastereomers) worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.