(R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-dif… 851307-12-5

About (R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic Acid

(R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic Acid is an impurity of Sitagliptin carrying the CAS registry number 851307-12-5. Formula C15H19F2NO4, molecular weight 315.31 g/mol. The IUPAC name is (3R)-4-(2,4-difluorophenyl)-3-[(2-methylpropan-2-yl)oxycarbonylamino]butanoic acid.

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. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Sitagliptin to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across 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

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Sitagliptin

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

Sitagliptin impurities

Specifications & identifiers

Chemical identifiers
Product name	(R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic Acid
Catalogue No.	VQ-023766
CAS Number	851307-12-5
IUPAC name	(3R)-4-(2,4-difluorophenyl)-3-[(2-methylpropan-2-yl)oxycarbonylamino]butanoic acid
Molecular formula	C₁₅H₁₉F₂NO₄
Molecular weight	315.31 g/mol
Exact mass	315.1282
Grade	Reference Standard
HSN code	38229090
InChIKey	LUYHWLQWAVCDNA-LLVKDONJSA-N
SMILES	CC(C)(C)OC(=O)N[C@H](CC1=C(C=C(C=C1)F)F)CC(=O)O
PubChem CID	69719878

Physical properties
Physical form	Solid
LogP (XLogP3)	2.6
H-bond donors / acceptors	2 / 6
TPSA	75.6 Å²
Synonyms	(3R)-3-[(tert-Butoxycarbonyl)amino]-4-(2,4-difluorophenyl)butanoic Acid, (R)-b-(Boc-amino)-2,4-difluorobenzenebutanoic acid, (3R)-3-(tert-butoxycarbonylamino)-4-(2,4-difluorophenyl)butanoic acid, (R)-beta-(Boc-amino)-2,4-difluorobenzenebutanoic acid, (R)-3-(Boc-amino)-4-(2,4-difluorophenyl)butanoic Acid, (3R)-3-{[(tert-butoxy)carbonyl]amino}-4-(2,4-difluorophenyl)butanoic acid, 3-[(tert-Butoxycarbonyl)amino]-4-(2,4-difluorophenyl)butanoic acid, (3R)-, (betaR)-beta-[[(1,1-Dimethylethoxy)carbonyl]amino]-2,4-difluorobenzenebutanoic acid, Benzenebutanoic acid, beta-[[(1,1-dimethylethoxy)carbonyl]amino]-2,4-difluoro-, (betaR)-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 (R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic Acid?

The CAS Registry Number of (R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic Acid is 851307-12-5. It is also known as (3R)-3-[(tert-Butoxycarbonyl)amino]-4-(2,4-difluorophenyl)butanoic Acid, (R)-b-(Boc-amino)-2,4-difluorobenzenebutanoic acid, (3R)-3-(tert-butoxycarbonylamino)-4-(2,4-difluorophenyl)butanoic acid.

What is the molecular formula and molecular weight of (R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic Acid?

(R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic Acid has the molecular formula C15H19F2NO4 and a molecular weight of 315.31 g/mol. Its IUPAC name is (3R)-4-(2,4-difluorophenyl)-3-[(2-methylpropan-2-yl)oxycarbonylamino]butanoic acid.

What is (R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic Acid used for?

(R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic Acid is supplied as a characterised reference material related to Sitagliptin. 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 (R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic Acid can I order?

We supply (R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic Acid 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 (R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic Acid?

Yes. Every lot of (R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic Acid 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 (R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic Acid be shipped internationally?

Yes. (R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic Acid is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.