Desisobutyl-n-butyl Bortezomib

About Desisobutyl-n-butyl Bortezomib

Desisobutyl-n-butyl Bortezomib is a metabolite or degradation product of Bortezomib carrying the CAS registry number 1104011-35-9. The compound has the formula C19H25BN4O4, corresponding to a molecular weight of 384.2 g/mol. Systematically, it is named [(1R)-1-[[(2S)-3-phenyl-2-(pyrazine-2-carbonylamino)propanoyl]amino]pentyl]boronic acid.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Bortezomib, as well as in QC testing and ANDA/DMF documentation. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Desisobutyl-n-butyl Bortezomib in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Bortezomib

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

Bortezomib impurities

Specifications & identifiers

Chemical identifiers
Product name	Desisobutyl-n-butyl Bortezomib
Catalogue No.	VQ-021863
CAS Number	1104011-35-9
IUPAC name	[(1R)-1-[[(2S)-3-phenyl-2-(pyrazine-2-carbonylamino)propanoyl]amino]pentyl]boronic acid
Molecular formula	C₁₉H₂₅BN₄O₄
Molecular weight	384.2 g/mol
Exact mass	384.1969
Grade	Reference Standard
HSN code	38229090
InChIKey	MDGKEQJOTKHQBX-RDJZCZTQSA-N
SMILES	B([C@H](CCCC)NC(=O)[C@H](CC1=CC=CC=C1)NC(=O)C2=NC=CN=C2)(O)O
PubChem CID	73951493

Physical properties
Physical form	Solid
H-bond donors / acceptors	4 / 6
TPSA	124 Å²

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 Desisobutyl-n-butyl Bortezomib?

The CAS Registry Number of Desisobutyl-n-butyl Bortezomib is 1104011-35-9. It is also known as N-2-Pyrazinocarbonyl-L-phenylalanine-L-leucine boronic acid, ((R)-1-((S)-3-Phenyl-2-(pyrazine-2-carboxamido)propanamido)pentyl)boronic acid, [(1R)-1-[(2S)-3-phenyl-2-[(pyrazin-2-yl)formamido]propanamido]pentyl]boronic acid.

What is the molecular formula and molecular weight of Desisobutyl-n-butyl Bortezomib?

Desisobutyl-n-butyl Bortezomib has the molecular formula C19H25BN4O4 and a molecular weight of 384.2 g/mol. Its IUPAC name is [(1R)-1-[[(2S)-3-phenyl-2-(pyrazine-2-carbonylamino)propanoyl]amino]pentyl]boronic acid.

What is Desisobutyl-n-butyl Bortezomib used for?

Desisobutyl-n-butyl Bortezomib is supplied as a characterised reference material related to Bortezomib. 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 Desisobutyl-n-butyl Bortezomib can I order?

We supply Desisobutyl-n-butyl Bortezomib 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 Desisobutyl-n-butyl Bortezomib?

Yes. Every lot of Desisobutyl-n-butyl Bortezomib 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 Desisobutyl-n-butyl Bortezomib be shipped internationally?

Yes. We export Desisobutyl-n-butyl Bortezomib worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.