CAS 133803-81-3 PEG3-carboxylic Acid tert-Butyl Ester molecular structure

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CAS RN: 133803-81-3

PEG3-carboxylic Acid tert-Butyl Ester

Product Availability

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7 package records7 with current stock1 grade group

Grade In stock only

Batch No.	Package	Availability	Warehouse	Lead Time	Inquiry
Batchno.20250910	100g	In stock	Shanghai		Inquiry
Batchno.20260619	10g	In stock	Shanghai, Chengdu		Inquiry
Batchno.20260430	1g	In stock	Shanghai, Shenzhen, Chengdu		Inquiry
Batchno.20260502	200mg / 1g / 5g / 25g	Confirm by inquiry	Shanghai, Shandong	5-7 business days	Inquiry
Batchno.20250809	250mg	In stock	Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu		Inquiry
Batchno.20251231	25g	In stock	Shanghai, Chengdu		Inquiry
Batchno.20260218	5g	In stock	Shanghai, Shenzhen, Tianjin, Wuhan		Inquiry

Product code: SSC-040816

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Verified Factory Data

Supply Overview & Packaging Options

Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.

Pack sizes on record: 0.25g, 1g, 5g, 25g, 100g, 10g
Available purity: >95%
Inventory rows with stock: 6
Bulk packaging: confirmed by inquiry

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Available Pack Sizes & Stock

Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 133803-81-3
Pack Size	Recorded Purity	Available Qty	Ship From	Inquiry
0.25g	>95%	5 In Stock	Hong Kong	Inquiry
1g	>95%	5 In Stock	Hong Kong	Inquiry
5g	>95%	5 In Stock	Beijing	Inquiry
25g	>95%	5 In Stock	Hong Kong	Inquiry
100g	>95%	5 In Stock	Beijing	Inquiry
10g	>95%	1 In Stock	Shanghai	Inquiry

133803-81-3 / tert-butyl 3-[2-(2-hydroxyethoxy)ethoxy]propanoate

Standard CAS: 133803-81-3 Multi CAS: No

Basic Information Computed Properties

Basic Information

CAS

133803-81-3

Multi CAS

Molecular Formula

C11H22O5

Molecular Weight

234.290000

Exact Mass

234.146724

SMILES

CC(C)(C)OC(=O)CCOCCOCCO

InChI

InChI=1S/C11H22O5/c1-11(2,3)16-10(13)4-6-14-8-9-15-7-5-12/h12H,4-9H2,1-3H3

InChIKey

OKOWESVURLUVMD-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count

Fraction Csp3

0.91

Rotatable bonds

H-bond acceptors

H-bond donors

Molar refractivity

59.19

TPSA

64.99

LogP / Solubility

WLOGP

0.74

MLOGP

0.66

XLogP3

0.1

Consensus LogP

0.5

Log S (ESOL)

-1.23

Class (ESOL)

Soluble

Log S (Ali)

-2.02

Class (Ali)

Moderately soluble

Log S (SILICOS-IT)

-2.76

Class (SILICOS-IT)

Moderately soluble

ADME

GI absorption

High

BBB permeant

Yes

P-gp substrate

CYP1A2 inhibitor

CYP2C19 inhibitor

CYP2C9 inhibitor

CYP2D6 inhibitor

CYP3A4 inhibitor

Log Kp (skin permeation)

-3.62

Drug-likeness / Medicinal Chemistry

Lipinski

Yes

Ghose

Veber

Yes

Egan

Yes

Muegge

Yes

Bioavailability score

0.55

Brenk alerts

Leadlikeness

Synthetic Accessibility

1.5

Applications of CAS 133803-81-3

This compound is commonly used in pharmaceutical research and drug discovery, life science and biochemical research, biochemistry and reagent applications, laboratory reagent and synthesis applications, general chemistry research and laboratory applications. Starshine Chemical supplies CAS 133803-81-3 for R&D and pilot-scale use, with flexible pack sizes and purity grades available.

Physical & Chemical Properties

IUPAC Name

tert-butyl 3-[2-(2-hydroxyethoxy)ethoxy]propanoate

Storage & Handling

Storage: Store under inert gas. Avoid: Light Sensitive,Moisture Sensitive,Heat Sensitive. For detailed hazard, storage and transport information, request the SDS (Safety Data Sheet) with your inquiry.

Quotation & Packaging

Prices are confirmed by inquiry. Request a quote for current pricing, minimum order quantity (MOQ) and lead time. The pack sizes listed on this page are reference options; custom pack sizes and bulk quantities are available on request.

Quality & Compliance

Specifications and purity shown on this page are based on batch records. A Certificate of Analysis (COA) is available on request. For research and further manufacturing use only — not for direct human or therapeutic use.