m-PEG4-COOH

Name: m-PEG4-COOH
Brand: BOC Sciences
Rating: 5 (1 reviews)

CAS No.: 67319-28-2

Cat No.: BPG-1810

Purity: ≥95%

4.5

m-PEG4-COOH is a monofunctional PEG linker with a carboxyl group, commonly used in ADC payload conjugation. Its PEG4 chain enhances aqueous solubility and linker flexibility, supporting stable and efficient antibody-drug conjugate formation.

Category	m-PEGn-acid
Molecular Formula	C10H20O6
Molecular Weight	236.26
Appearance	Pale Yellow or Colorless Oily Matter
Shipping	Room temperature, or blue ice upon request.
Storage	Store at 2-8°C

Structure of 67319-28-2

Ordering Information

*For research and manufacturing use only. We do not sell to patients.

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Specification

Synonyms	m-PEG3-CH2CH2COOH; 2,5,8,11-Tetraoxatetradecan-14-oic acid; m-PEG4-Acid; 4,7,10,13-Tetraoxatetradecanoic acid; 2,5,8,11-Tetraoxa-14-tetradecanoic Acid; mPEG3-propionic acid; COOHCH2CH2-PEG3-OME
IUPACName	3-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]propanoic acid
CanonicalSMILES	COCCOCCOCCOCCC(=O)O
InChI	InChI=1S/C10H20O6/c1-13-4-5-15-8-9-16-7-6-14-3-2-10(11)12/h2-9H2,1H3,(H,11,12)
InChIKey	ZMCJTXKSDDFJRG-UHFFFAOYSA-N
BoilingPoint	352.3±32.0 °C at 760 mmHg
FlashPoint	129.8±18.6 °C
Purity	≥95%
Density	1.105±0.06 g/cm3 (Predicted)
Solubility	Soluble in Water
ExactMass	236.12598835
VaporPressure	0.0±1.7 mmHg at 25°C
LogP	-1.35