Atazanavir KSM- 2 R,R Isomer

Name: Atazanavir KSM- 2 R,R Isomer
Brand: Vaqora Chemicals
SKU: VQ-024381

About Atazanavir KSM- 2 R,R Isomer

Atazanavir KSM- 2 R,R Isomer is an impurity of Atazanavir carrying the CAS registry number 98818-34-9. Its molecular formula is C15H21NO3 and its molecular weight is 263.33 g/mol. Systematically, it is named tert-butyl N-[(1R)-1-[(2R)-oxiran-2-yl]-2-phenylethyl]carbamate. Common synonyms include erythro-N-Boc-D-phenylalanine epoxide and (2R,3R)-1,2-Epoxy-(Boc amino)-4-phenylbutane.

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. It carries the GHS signal word “Warning” with 2 hazard statements. Review the Safety Data Sheet before use.

This Atazanavir impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Atazanavir KSM- 2 R,R Isomer in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Atazanavir

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

Atazanavir impurities

Specifications & identifiers

Chemical identifiers
Product name	Atazanavir KSM- 2 R,R Isomer
Catalogue No.	VQ-024381
CAS Number	98818-34-9
IUPAC name	tert-butyl N-[(1R)-1-[(2R)-oxiran-2-yl]-2-phenylethyl]carbamate
Molecular formula	C₁₅H₂₁NO₃
Molecular weight	263.33 g/mol
Exact mass	263.1521
Grade	Reference Standard
HSN code	38229090
InChIKey	NVPOUMXZERMIJK-OLZOCXBDSA-N
SMILES	CC(C)(C)OC(=O)N[C@H](CC1=CC=CC=C1)[C@@H]2CO2
PubChem CID	11357515

Physical properties
Physical form	Solid
LogP (XLogP3)	2.6
H-bond donors / acceptors	1 / 3
TPSA	50.9 Å²
Synonyms	erythro-N-Boc-D-phenylalanine epoxide, tert-Butyl ((R)-1-((R)-oxiran-2-yl)-2-phenylethyl)carbamate, tert-Butyl((R)-1-((R)-oxiran-2-yl)-2-phenylethyl)carbamate, (2R,3R)-1,2-Epoxy-(Boc amino)-4-phenylbutane, (R,R) 1-Oxiranyl-2-phenylethylcarbamic acid tert-butyl ester, rel-tert-Butyl ((R)-1-((R)-oxiran-2-yl)-2-phenylethyl)carbamate, [(1R)-1-{(2R)-oxiran-2-yl}-2-phenyl-ethyl]carbamic acid tert-butylester, 1,1-Dimethylethyl N-[(1R)-1-(2R)-2-oxiranyl-2-phenylethyl]carbamate, 2-Methyl-2-propanyl {(1r)-1-[(2r)-2-oxiranyl]-2-phenylethyl}carbamate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P270, P280, P301 + P317, P305 + P351 + P338, P330, P337 + P317, 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 Atazanavir KSM- 2 R,R Isomer?

The CAS Registry Number of Atazanavir KSM- 2 R,R Isomer is 98818-34-9. It is also known as erythro-N-Boc-D-phenylalanine epoxide, tert-Butyl ((R)-1-((R)-oxiran-2-yl)-2-phenylethyl)carbamate, tert-Butyl((R)-1-((R)-oxiran-2-yl)-2-phenylethyl)carbamate.

What is the molecular formula and molecular weight of Atazanavir KSM- 2 R,R Isomer?

Atazanavir KSM- 2 R,R Isomer has the molecular formula C15H21NO3 and a molecular weight of 263.33 g/mol. Its IUPAC name is tert-butyl N-[(1R)-1-[(2R)-oxiran-2-yl]-2-phenylethyl]carbamate.

What is Atazanavir KSM- 2 R,R Isomer used for?

Atazanavir KSM- 2 R,R Isomer is supplied as a characterised reference material related to Atazanavir. 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 Atazanavir KSM- 2 R,R Isomer can I order?

We supply Atazanavir KSM- 2 R,R Isomer 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 Atazanavir KSM- 2 R,R Isomer?

Yes. Every lot of Atazanavir KSM- 2 R,R Isomer 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 Atazanavir KSM- 2 R,R Isomer be shipped internationally?

Yes. Atazanavir KSM- 2 R,R Isomer 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.