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Identify Suppliers 2025 Properties Safty

L-Aspartic acid alpha-tert-butyl ester

BGC Id:	222646051414
CAS No:	4125-93-3
Synonyms:	l-aspartic acid 1-tert-butyl ester, >=98% ; h-asp-obut ; l-asparticacida-tertutylester ; h-asp-otbu ; (s)-3-amino-4-tert-butoxy-4-oxobutanoic acid ; h-asp(otbu)-oh [3057-74-7] ; l-aspartic acid α-tertÂ·butyl ester ; l-aspartic acid 1-tert-butylester
Molecular Formula:	C8H15NO4
Molecular Weight:	189.209
EINECS:

Verified providers in 2025

The following 2 notable providers have been checked and can be recommended.

Changzhou Union Chemicals

Leap Chem

Molecular Formula: C8H15NO4 Molecular Weight: 189.21

What other providers are available for CAS 4125-93-3?

The last intensive check and update was carried out on 2025/09/27.

Identify

Synonyms:

l-aspartic acid 1-tert-butyl ester, >=98% ; h-asp-obut ; l-asparticacida-tertutylester ; h-asp-otbu ; (s)-3-amino-4-tert-butoxy-4-oxobutanoic acid ; h-asp(otbu)-oh [3057-74-7] ; l-aspartic acid α-tertÂ·butyl ester ; l-aspartic acid 1-tert-butylester

CAS:

4125-93-3

EINECS:

Molecular Formula:

C8H15NO4

MDL:

MFCD00171675

SMILES:

CCCCCCCCCCCCCCCC(=O)OCC(COP(=O)([O-])OCC[N+](C)(C)C)OC(=O)CCCCCCCC=CCC=CCCCCC

Properties

Molecular Weight:

189.209 g·mol−1

Density:

1.16 g/cm³

Boiling point:

297.8 °C at 760 mmHg

Suppliers

Changzhou Union Chemicals Co.,Ltd.

Company type: International trading company

Changzhou Union Chemicals Co.,Ltd. is a comprehensive company which is specialized in marketing and manufacturing of new moleculars, advanced intermediates & other fine chemicals - Pharmaceutical intermediates ; Amino acids & derivatives; Chiral products; ect .... We are seller of Azilsartan medoxomil. It involves one subsidiary company and several joint ventures in china. Union Chem, has professional & innovative teams to provide high quality products and services to our customers worldwide, we strict to "Qual ...

Country: P.R.China Phone: +86 519 8680 2352 Telefax: +86 519 8639 6223

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Leap Chem Co., Ltd

Company type: Bulk and laboratory supplier

Country: P.R.China
Phone: +852-30606658

LEAPChem, a specialized fine chemicals supplier for research, development and production. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner. Our client list includes many major pharmac ...

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Safety Information

Hazard Classes:

Storage temperature:

Store at 0 °C

The following providers cannot be verified precisely. The companies have offered the product in the past, but despite all care, the companies could not confirm it 100 percent!

Santa Cruz Biotechnology, Inc.

Santa Cruz Biotechnology, Inc. now offers over 140,000 specialty biochemicals under our ChemCruz™ brand. Santa Cruz Biotechnology, Inc. is focused... Request

What other providers are available for CAS 4125-93-3?

In addition to the providers presented here for L-Aspartic acid alpha-tert-butyl ester with the CAS number 4125-93-3, there are other 41 providers with slightly different product names available for this CAS number.

H-Asp-OtBu

?-Asp-alpha-OtBu

Simagchem Corporation | Xiamen Equation Chemical Co.,Ltd +1 additional providers that we know from the past

H-L-Asp-OtBu.HCl

+1 additional providers that we know from the past

(S)-3-Amino-4-(tert-butoxy)-4-oxobutanoic acid

L-Aspartic acid alpha-tert-butyl ester hydrochloride

+3 additional providers that we know from the past

3-Amino-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid

+1 additional providers that we know from the past