RRR-a-Tocopherol EP Impurity A

About RRR-a-Tocopherol EP Impurity A

RRR-a-Tocopherol EP Impurity A is a pharmacopeial impurity of Tocopherol carrying the CAS registry number 119-13-1. The compound has the formula C27H46O2, corresponding to a molecular weight of 402.7 g/mol. Systematically, it is named (2R)-2,8-dimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-3,4-dihydrochromen-6-ol. Common synonyms include RRR-alpha-Tocopherol EP Impurity A and Tocopherol.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Tocopherol, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Tocopherol

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

Tocopherol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	RRR-a-Tocopherol EP Impurity A
Catalogue No.	VQ-034663
CAS Number	119-13-1
IUPAC name	(2R)-2,8-dimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-3,4-dihydrochromen-6-ol
Molecular formula	C₂₇H₄₆O₂
Molecular weight	402.7 g/mol
Exact mass	402.3498
Grade	Reference Standard
HSN code	38229090
InChIKey	GZIFEOYASATJEH-VHFRWLAGSA-N
SMILES	CC1=CC(=CC2=C1O[C@](CC2)(C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)O
PubChem CID	92094

Physical properties
Physical form	Solid
LogP (XLogP3)	10
H-bond donors / acceptors	1 / 2
TPSA	29.5 Å²
Synonyms	RRR-alpha-Tocopherol EP Impurity A, Tocopherol, RRR-α-Tocopherol - Impurity A, delta-Tocopherol, (+)-delta-Tocopherol, 8-Methyltocol, (2R)-3,4-dihydro-2,8-dimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol, (R,R,R)-delta-Tocopherol, (2R,4'R,8'R)-delta-Tocopherol, (2R)-2,8-dimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-3,4-dihydro-2H-chromen-6-ol, (2R)-2,8-dimethyl-2-((4R,8R)-4,8,12-trimethyltridecyl)-3,4-dihydro-2H-chromen-6-ol, (2R)-2,8-dimethyl-2-((4R,8R)-4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-ol

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 RRR-a-Tocopherol EP Impurity A?

The CAS Registry Number of RRR-a-Tocopherol EP Impurity A is 119-13-1. It is also known as RRR-alpha-Tocopherol EP Impurity A, Tocopherol, RRR-α-Tocopherol - Impurity A.

What is the molecular formula and molecular weight of RRR-a-Tocopherol EP Impurity A?

RRR-a-Tocopherol EP Impurity A has the molecular formula C27H46O2 and a molecular weight of 402.7 g/mol. Its IUPAC name is (2R)-2,8-dimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-3,4-dihydrochromen-6-ol.

What is RRR-a-Tocopherol EP Impurity A used for?

RRR-a-Tocopherol EP Impurity A is supplied as a characterised reference material related to Tocopherol. 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 RRR-a-Tocopherol EP Impurity A can I order?

We supply RRR-a-Tocopherol EP Impurity A 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 RRR-a-Tocopherol EP Impurity A?

Yes. Every lot of RRR-a-Tocopherol EP Impurity A 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 RRR-a-Tocopherol EP Impurity A be shipped internationally?

Yes. We export RRR-a-Tocopherol EP Impurity A worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.