MedKoo Cat#: 122153 | Name: 5-Maleimido-pentanoic NHS ester
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Description:

WARNING: This product is for research use only, not for human or veterinary use.

5-Maleimido-pentanoic NHS ester contains a maleimide group and an NHS ester. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The maleimide group will react with a thiol group to form a covalent bond, enabling the connection of biomolecule with a thiol.

Chemical Structure

5-Maleimido-pentanoic NHS ester
5-Maleimido-pentanoic NHS ester
CAS#103750-03-4

Theoretical Analysis

MedKoo Cat#: 122153

Name: 5-Maleimido-pentanoic NHS ester

CAS#: 103750-03-4

Chemical Formula: C13H14N2O6

Exact Mass: 294.0852

Molecular Weight: 294.26

Elemental Analysis: C, 53.06; H, 4.80; N, 9.52; O, 32.62

Price and Availability

Size Price Availability Quantity
250mg USD 450.00 2 Weeks
500mg USD 750.00 2 Weeks
1g USD 1,050.00 2 Weeks
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Related CAS #
No Data
Synonym
5-Maleimido-pentanoic NHS ester
IUPAC/Chemical Name
2,5-dioxopyrrolidin-1-yl 5-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)pentanoate
InChi Key
ULZJAHZPCLFGHQ-UHFFFAOYSA-N
InChi Code
InChI=1S/C13H14N2O6/c16-9-4-5-10(17)14(9)8-2-1-3-13(20)21-15-11(18)6-7-12(15)19/h4-5H,1-3,6-8H2
SMILES Code
O=C(C=C1)N(CCCCC(ON2C(CCC2=O)=O)=O)C1=O
Appearance
To be determined
Purity
>98% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
To be determined
Shelf Life
>2 years if stored properly
Drug Formulation
To be determined
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.9001
More Info

Preparing Stock Solutions

The following data is based on the product molecular weight 294.26 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL