Cilastatin E-Isomer

About Cilastatin E-Isomer

Cilastatin E-Isomer is an impurity of Cilastatin carrying the CAS registry number 1174657-12-5. Formula C16H26N2O5S, molecular weight 358.5 g/mol. Systematically, it is named (E)-7-[(2R)-2-amino-2-carboxyethyl]sulfanyl-2-[[(1S)-2,2-dimethylcyclopropanecarbonyl]amino]hept-2-enoic acid.

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.

As a characterised impurity of Cilastatin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Cilastatin E-Isomer is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Cilastatin

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

Cilastatin impurities

Specifications & identifiers

Chemical identifiers
Product name	Cilastatin E-Isomer
Catalogue No.	VQ-044952
CAS Number	1174657-12-5
IUPAC name	(E)-7-[(2R)-2-amino-2-carboxyethyl]sulfanyl-2-[[(1S)-2,2-dimethylcyclopropanecarbonyl]amino]hept-2-enoic acid
Molecular formula	C₁₆H₂₆N₂O₅S
Molecular weight	358.5 g/mol
Exact mass	358.1562
Grade	Reference Standard
HSN code	38229090
InChIKey	DHSUYTOATWAVLW-HPTVMLIKSA-N
SMILES	CC1(C[C@@H]1C(=O)N/C(=C/CCCCSC[C@@H](C(=O)O)N)/C(=O)O)C
PubChem CID	6602278

Physical properties
Physical form	Solid
LogP (XLogP3)	-1
H-bond donors / acceptors	4 / 7
TPSA	155 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 Cilastatin E-Isomer?

The CAS Registry Number of Cilastatin E-Isomer is 1174657-12-5.

What is the molecular formula and molecular weight of Cilastatin E-Isomer?

Cilastatin E-Isomer has the molecular formula C16H26N2O5S and a molecular weight of 358.5 g/mol. Its IUPAC name is (E)-7-[(2R)-2-amino-2-carboxyethyl]sulfanyl-2-[[(1S)-2,2-dimethylcyclopropanecarbonyl]amino]hept-2-enoic acid.

What is Cilastatin E-Isomer used for?

Cilastatin E-Isomer is supplied as a characterised reference material related to Cilastatin. 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 Cilastatin E-Isomer can I order?

We supply Cilastatin E-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 Cilastatin E-Isomer?

Yes. Every lot of Cilastatin E-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 Cilastatin E-Isomer be shipped internationally?

Yes. We export Cilastatin E-Isomer worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.