Monodispersed Carboxylic Acid(COOH) PEG

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Carboxylic Acid(COOH) PEG

Monodispersed Carboxylic Acid PEG (PEG Acid, PEG COOH) is a type of PEG Linkers with a carboxylic acid (COOH) group. Biopharma PEG offers Carboxylic Acid PEGs with various functional groups on the other end, including Amine (NH2), Thiol (SH), Azide (N3), NHS ester, Maleimide (Mal), and more. These versatile linkers are widely used in bioconjugation, drug delivery, and biomedical research due to their ability to facilitate precise modifications and enhance the stability and efficacy of therapeutic agents.

Biopharma PEG offers a wide range of monodispersed Carboxylic Acid PEG linkers from lab to commercial scale in both non-GMP and GMP grades. Email at sales@biochempeg.com and start using a superior product for your next product R&D project.

Catalog No.	Name	Structure	M.W.	Purity	Buy
MD006016	N3-PEG2-COOH		203.19	≥95%

MD006016	N3-PEG1-COOH		159.15	≥95%

MD006016	N3-PEG3-COOH		247.3	≥95%

MD006016	N3-PEG4-COOH		291.301	≥95%

MD006016	N3-PEG5-COOH		335.35	≥95%

MD006016	N3-PEG6-COOH		379.41	≥95%

MD006016	N3-PEG7-COOH		423.46	≥95%

MD006016	N3-PEG8-COOH		467.51	≥95%

MD006016	N3-PEG9-COOH		511.56	≥95%

MD006016	N3-PEG11-COOH		599.67	≥95%

MD006016	N3-PEG10-COOH		555.62	≥95%

MD006016	N3-PEG12-COOH		643.72	≥95%

MD006016	N3-PEG24-COOH		1172.35	≥95%

MD006016	N3-PEG36-COOH		1700.98	≥95%

MD001016	mPEG1-COOH		148.2	≥95%

MD001016	mPEG2-COOH		192.2	≥95%

MD001016	mPEG3-COOH		236.3	≥95%

MD001016	mPEG4-COOH		280.3	≥95%

MD001016	mPEG5-COOH		324.4	≥95%

MD001016	mPEG6-COOH		368.4	≥95%

MD001016	mPEG7-COOH		412.5	≥95%

MD001016	mPEG8-COOH		456.53	≥95%

MD001016	mPEG10-COOH		544	≥95%

MD001016	mPEG12-COOH		632.74	≥95%

MD001016	mPEG11-COOH		588.7	≥95%

MD001016	mPEG16-CH2CH2COOH		808.94	≥95%

MD001016	mPEG24-COOH		1161.37	≥95%

MD001016	mPEG15-COOH		764.9	≥95%

MD001016	mPEG23-COOH		1117.31	≥95%

MD005016	NH2-PEG1-COOH		133.146	≥95%

MD005016	NH2-PEG2-COOH		177.2	≥95%

MD005016	NH2-PEG3-COOH		221.25	≥95%

MD005016	NH2-PEG4-COOH		265.3	≥95%

MD005016	NH2-PEG5-COOH		309.4	≥95%

MD005016	NH2-PEG6-COOH		353.4	≥95%

MD005016	NH2-PEG7-COOH			≥95%

MD005016	NH2-PEG8-COOH		441.5	≥95%

MD005016	NH2-PEG9-COOH		484.56	≥95%

MD005016	NH2-PEG10-COOH		529.62	≥95%

MD005016	NH2-PEG12-COOH		617.72	≥95%

MD005016	NH2-PEG23-COOH		1102.3	≥95%

MD005016	NH2-PEG24-COOH		1146.37	≥95%

MD005016	NH2-PEG25-COOH		1190.41	≥95%

MD005016	NH2-PEG36-COOH		1674.99	≥95%

MD006300	2-((Azido-PEG7-carbamoyl)methoxy)acetic acid		510.54	≥95%

MD006300	2-((Azido-PEG8-carbamoyl)methoxy)acetic acid		554.6	≥95%

MD006300	2-((Azido-PEG9-carbamoyl)methoxy)acetic acid		598.64	≥95%

MD136016	CBZ-NH-PEG8-COOH		575.646	≥95%

MD136016	CBZ-NH-PEG6-COOH		487.541	≥95%

MD136016	CBZ-NH-PEG5-COOH		443.488	≥95%

MD136016	CBZ-NH-PEG4-COOH		399.435	≥95%

MD136016	CBZ-NH-PEG3-COOH		355.383	≥95%

MD136016	CBZ-NH-PEG2-COOH		311.33	≥95%

MD068016	Boc-NH-PEG1-COOH		233.26	≥95%

MD068016	Boc-NH-PEG2-COOH		277.31	≥95%

MD068016	Boc-NH-PEG3-COOH		321.4	≥95%

MD068016	Boc-NH-PEG4-COOH		365.4	≥95%

MD068016	Boc-NH-PEG5-COOH		409.5	≥95%

MD068016	Boc-NH-PEG6-COOH		453.5	≥95%

MD068016	Boc-NH-PEG7-COOH		497.58	≥95%

MD068016	Boc-NH-PEG8-COOH		541.6	≥95%

MD068016	Boc-NH-PEG12-COOH		717.8411	≥95%

MD069016	Fmoc-NH-PEG1-COOH		355.385	≥95%

MD069016	Fmoc-NH-PEG2-COOH		399.44	≥95%

MD069016	Fmoc-NH-PEG3-COOH		443.5	≥95%

MD069016	Fmoc-NH-PEG4-COOH		487.5	≥95%

MD069016	Fmoc-NH-PEG5-COOH		531.6	≥95%

MD069016	Fmoc-NH-PEG6-COOH		575.6	≥95%

MD069016	Fmoc-NH-PEG8-COOH		663.8	≥95%

MD069016	Fmoc-NH-PEG9-COOH		707	≥95%

MD069016	Fmoc-NH-PEG12-COOH		839.963	≥95%

MD069016	Fmoc-NH-PEG36-COOH		1897.22	≥93%

MD141016	Mal-PEG2-COOH		257.2	≥95%

MD141016	Mal-PEG3-COOH		301.3	≥95%

MD141016	Mal-PEG4-COOH		345.3	≥95%

MD141016	Mal-PEG5-COOH		389.4	≥95%

MD141016	Mal-PEG6-COOH		433.4	≥95%

MD141016	Mal-PEG8-COOH		521.6	≥95%

MD141016	Mal-PEG12-COOH		697.77	≥95%

MD000019	N-(acid-PEG3)-N-bis(PEG3-azide)		623.7	≥95%

MD000016	NH-(PEG3-Acid)2		425.4712	≥95%

MD000018	NH2-PEG36-CONH-PEG36-COOH		3331.96	≥95%

MD000121	Bis-PEG1-C-PEG1-CH2COOH		350.4	≥95%

MD001121	mPEG12-CH2COOH		618.71	≥95%

MD001121	mPEG9-CH2COOH		486.55	≥95%

MD001121	mPEG8-CH2COOH		442.5	≥95%

MD001121	mPEG7-CH2COOH		398.45	≥95%

MD001121	mPEG6-CH2COOH		354.4	≥95%

MD001121	mPEG5-CH2COOH		310.34	≥95%

MD001121	mPEG4-CH2COOH		266.29	≥95%

MD001121	mPEG3-CH2COOH		222.24	≥95%

MD001121	mPEG2-CH2COOH		178.183	≥95%

MD001121	mPEG10-CH2COOH		530.6	≥98%

MD001121	mPEG11-CH2COOH		574	≥95%

MD002016	OH-PEG1-COOH		134.13	≥95%

MD002016	OH-PEG2-COOH		178.2	≥95%

MD002016	OH-PEG3-COOH		222.2	≥95%

MD002016	OH-PEG5-COOH		310.34	≥95%

MD002016	OH-PEG4-COOH		266.3	≥95%

MD002016	OH-PEG6-COOH		354.4	≥95%

MD002016	OH-PEG8-COOH		442.5	≥95%

MD002016	OH-PEG24-COOH		1147.34	≥95%

MD002016	OH-PEG16-COOH		793.92	≥95%

MD002016	OH-PEG12-COOH		618.71	≥95%

MD002016	OH-PEG11-COOH		574.66	≥95%

MD002016	OH-PEG10-COOH		530.6	≥95%

MD002121	OH-PEG1-CH2COOH		120.1	≥95%

MD002121	OH-PEG2-CH2COOH		164.2	≥95%

MD002121	OH-PEG24-CH2COOH		1133.25	≥95%

MD002121	OH-PEG12-CH2COOH		604.65	≥95%

MD002121	OH-PEG8-CH2COOH		428.47	≥95%

MD002121	OH-PEG7-CH2COOH		384.42	≥95%

MD002121	OH-PEG6-CH2COOH		340.35	≥95%

MD002121	OH-PEG5-CH2COOH		296.31	≥95%

MD002121	OH-PEG4-CH2COOH		252.26	≥95%

MD002121	OH-PEG3-CH2COOH		208.21	≥95%

MD005121	NH2-PEG1-CH2COOH		119.12	≥95%

MD005121	NH2-PEG2-CH2COOH		163.2	≥95%

MD005121	NH2-PEG3-CH2COOH		207.22	≥95%

MD005121	NH2-PEG4-CH2COOH		251.3	≥95%

MD005121	NH2-PEG12-CH2COOH		603.67	≥95%

MD005121	NH2-PEG11-CH2COOH		559.62	≥95%

MD005121	NH2-PEG10-CH2COOH		515.59	≥95%

MD005121	NH2-PEG8-CH2COOH		427.49	≥95%

MD005121	NH2-PEG6-CH2COOH		339.38	≥95%

MD005121	NH2-PEG5-CH2COOH		295.33	≥95%

MD005137	NH2-PEG2-CH2CH2CH2COOH			≥95%

MD005137	NH2-PEG4-CH2CH2CH2COOH			≥95%

MD006121	N3-PEG1-CH2COOH		145.12	≥95%

MD006121	N3-PEG2-CH2COOH		189.17	≥95%

MD006121	N3-PEG3-CH2COOH		233.22	≥95%

MD006121	N3-PEG4-CH2COOH		277.27	≥95%

MD006121	N3-PEG5-CH2COOH		321	≥95%

MD006121	N3-PEG6-CH2COOH		365.379	≥95%

MD006121	N3-PEG12-CH2COOH		629.67	≥95%

MD006121	N3-PEG11-CH2COOH		585.65	≥95%

MD006121	N3-PEG10-CH2COOH		541.57	≥95%

MD006121	N3-PEG9-CH2COOH		497.52	≥95%

MD006121	N3-PEG7-CH2COOH		409.44	≥95%

MD006121	N3-PEG8-CH2COOH		453.23	≥95%

MD003016	SH-PEG2-COOH		194.25	≥95%

MD003016	SH-PEG3-COOH		238.3	≥95%

MD003016	SH-PEG4-COOH		282.4	≥95%

MD003016	SH-PEG5-COOH		326.41	≥95%

MD003016	SH-PEG6-COOH		370.5	≥95%

MD003016	SH-PEG7-COOH		414.51	≥95%

MD003016	SH-PEG8-COOH		458.6	≥95%

MD003016	SH-PEG12-COOH		634.8	≥95%

MD003121	SH-PEG3-CH2COOH		224.275	≥95%

MD004017	CHO-PEG12-COOH		646	≥95%

MD016016	COOH-PEG1-COOH		206.193	≥95%

MD016016	COOH-PEG2-COOH		250.246	≥95%

MD016016	COOH-PEG3-COOH		294.298	≥95%

MD016016	COOH-PEG4-COOH		338.351	≥95%

MD016016	COOH-PEG5-COOH		382.403	≥95%

MD016016	COOH-PEG7-COOH		470.24	≥95%

MD016016	COOH-PEG6-COOH		426.46	≥95%

MD016016	COOH-PEG8-COOH		514.6	≥95%

MD016016	COOH-PEG16-COOH		866	≥95%

MD016016	COOH-PEG11-COOH		646	≥95%

MD016016	COOH-PEG12-COOH		690.78	≥95%

MD016025	COOH-PEG3-SPA		347.3	≥95%

MD016025	COOH-PEG5-SPA		435.4	≥95%

MD016025	COOH-PEG6-SPA		479.5	≥95%

MD016025	COOH-PEG9-SPA		611.63	≥95%

MD016025	COOH-PEG12-SPA		743.8	≥95%

MD016025	COOH-PEG13-SPA		787.9	≥95%

MD016050	COOH-PEG3-NH2.HCl		257.7	≥95%

MD016050	COOH-PEG4-NH2.HCl		301.81	≥95%

MD016050	COOH-PEG24-NH2.HCl		1182	≥95%

MD016067	COOH-PEG3-OtBu		306.4	≥95%

MD016067	COOH-PEG5-OtBu		394.5	≥95%

MD016067	COOH-PEG1-OtBu		218.25	≥95%

MD016067	COOH-PEG4-OtBu		350.4	≥95%

MD016067	COOH-PEG2-OtBu		262.3	≥95%

MD016067	COOH-PEG6-OtBu		438.51	≥95%

MD016067	COOH-PEG8-OtBu		526.61	≥95%

MD016127	COOH-PEG2-SO3H			≥95%

MD016127	COOH-PEG4-SO3H			≥95%

MD016127	COOH-PEG5-SO3H			≥95%

MD121050	CH2COOH-PEG2-NH2.HCl		199.63	≥95%

MD121121	CH2COOH-PEG2-CH2COOH		178.14	≥95%

MD121121	CH2COOH-PEG3-CH2COOH		222.193	≥95%

MD121121	CH2COOH-PEG5-CH2COOH		310.298	≥95%

MD022016	Mal-NH-PEG2-COOH		328.3	≥95%

MD022016	Mal-NH-PEG4-COOH		416.4	≥95%

MD022016	Mal-NH-PEG6-COOH		504.5	≥95%

MD022016	Mal-NH-PEG7-COOH		548.58	≥95%

MD022016	Mal-NH-PEG8-COOH		592.6	≥95%

MD022016	Mal-NH-PEG12-COOH		768.845	≥95%

MD007016	Alkyne-PEG3-COOH		216.2	≥95%

MD007016	Alkyne-PEG4-COOH		260.3	≥95%

MD007016	Alkyne-PEG5-COOH		304.3	≥95%

MD007016	Alkyne-PEG6-COOH		348.4	≥95%

MD007016	Alkyne-PEG8-COOH			≥95%

MD007016	Alkyne-PEG2-COOH		172.19	≥97%

MD007016	Alkyne-PEG1-COOH		128.126	≥95%

MD007121	Alkyne-PEG4-CH2COOH		246.3	≥95%

MD015015	SAA-PEG2-SAA		348	≥95%

MD010016	ACA-PEG4-COOH			≥95%

MD041016	Biotin-PEG2-COOH		403.5	≥95%

MD041016	Biotin-PEG3-COOH		447.5	≥95%

MD041016	Biotin-PEG4-COOH		491.6	≥95%

MD041016	Biotin-PEG6-COOH		579.7	≥95%

MD041016	Biotin-PEG8-COOH		667.8	≥95%

MD041121	Biotin-PEG3-CH2COOH		433.523	≥95%

MD044016	FITC-PEG3-COOH		581.64	≥95%

MD056016	Br-PEG4-COOH		329.185	≥95%

MD068121	Boc-NH-PEG1-CH2COOH		219.24	≥95%

MD068121	Boc-NH-PEG2-CH2COOH		263.3	≥95%

MD068121	Boc-NH-PEG3-CH2COOH		307.34	≥95%

MD068121	Boc-NH-PEG5-CH2COOH		395.446	≥95%

MD068137	Boc-NH-PEG4-CH2CH2CH2COOH		379.4	≥95%

MD068325	Boc-NH-PEG2-C2-amido-C4-acid		376.45	≥95%

MD069121	Fmoc-NH-PEG2-CH2COOH		385.42	≥95%

MD069121	Fmoc-NH-PEG3-CH2COOH		429.5	≥95%

MD069121	Fmoc-NH-PEG4-CH2COOH		473.5	≥95%

MD069121	Fmoc-NH-PEG5-CH2COOH		517.6	≥95%

MD069121	Fmoc-NH-PEG8-CH2COOH		649.7	≥95%

MD096017	DSPE-PEG14-COOH			≥95%

MD035016	SDPD-PEG4-COOH		462.583	≥95%

MD035016	SDPD-PEG8-COOH		638.793	≥95%

MD051016	DF-PEG2-COOH		309.3	≥95%

MD051016	DF-PEG4-COOH			≥95%

MD051016	DF-PEG6-COOH			≥95%

MD039016	LA-PEG4-COOH		453.616	≥95%

MD039016	LA-PEG8-COOH		629.826	≥95%

MD115016	Aminooxy-PEG4-COOH		281.3	≥95%

MD115016	Aminooxy-PEG8-COOH		457.5	≥95%

MD142016	Fmoc-N-methyl-N-amido-PEG2-COOH		413.46	≥95%

MD143016	DNP-PEG2-COOH		343.289	≥95%

MD143016	DNP-PEG4-COOH		431.395	≥95%

MD143016	DNP-PEG6-COOH		519.5	≥95%

MD144016	MoTr-NH-PEG4-COOH		537.644	≥95%

MD144016	MoTr-NH-PEG8-COOH		713.854	≥95%

MD149016	N-methyl-N-(t-Boc)-PEG4-COOH		379.4	≥95%

MD155017	BnOOC-PEG12-COOH			≥95%

MD168016	C18-PEG12-COOH			≥95%

MD188016	Benzyl-PEG11-CH2CH2COOH		664	≥95%

MD188016	Benzyl-PEG1-CH2CH2COOH		224.25304	≥95%

MD188016	Benzyl-PEG18-CH2CH2COOH		972	≥95%

MD194016	S-acetyl-PEG3-COOH		280.339	≥95%

MD241121	F-PEG2-CH2COOH		166.15	≥95%

MD241242	F-PEG2-S-COOH			≥95%

MD241243	F-PEG2-SO-COOH			≥95%

MD241244	F-PEG2-SO2-COOH			≥95%

MD283017	SH-(CH2)11-PEG3-COOH		408	≥95%

MD288016	Pomalidomide-PEG1-COOH		389.36	≥95%

MD288016	Pomalidomide-PEG2-COOH		433.41	≥95%

MD288016	Pomalidomide-PEG3-COOH		477.46	≥95%

MD288016	Pomalidomide-PEG4-COOH		521.52	≥95%

MD288016	Pomalidomide-PEG5-COOH		565.57	≥95%

MD121288	Pomalidomide-PEG4-CH2COOH		507.493	≥95%

MD324121	Cl-C6-PEG4-O-CH2COOH		370.87	≥95%

MD121288	Pomalidomide-PEG2-CH2COOH		419.39	≥95%

MD136121	CBZ-NH-PEG1-CH2COOH		253.25	≥95%

MD016314	COOH-PEG6-COOMe		396.43	≥95%

MD007016	Alkyne-PEG7-COOH		392.44	≥95%

MD007016	Alkyne-PEG10-COOH		524.6	≥95%

MD007016	Alkyne-PEG13-COOH		656.74	≥95%

MD007016	Alkyne-PEG14-COOH		700.82	≥95%

MD007121	Alkyne-PEG3-CH2COOH		202.2	≥95%

MD007121	Alkyne-PEG5-CH2COOH		290.31	≥95%

MD007121	Alkyne-PEG6-CH2COOH		334.36	≥95%

MD016025	COOH-PEG1-SPA		259.21	≥95%

MD016025	COOH-PEG2-SPA		303.27	≥95%

MD016025	COOH-PEG4-SPA		391.37	≥95%

MD016025	COOH-PEG11-SPA		699.74	≥95%

MD016067	COOH-PEG10-OtBu		614.73	≥95%

MD016067	COOH-PEG12-OtBu		702.83	≥95%

MD016067	COOH-PEG14-OtBu		790.9	≥95%

MD016067	COOH-PEG25-OtBu		1275.5	≥95%

MD022016	Mal-NH-PEG1-COOH		284.27	≥95%

MD022016	Mal-NH-PEG3-COOH		372.37	≥95%

MD022016	Mal-NH-PEG9-COOH		636.69	≥95%

MD022016	Mal-NH-PEG10-COOH		680.74	≥95%

MD022016	Mal-NH-PEG16-COOH		945.07	≥95%

MD022016	Mal-NH-PEG24-COOH		1297.47	≥95%

MD039016	LA-PEG12-COOH		806.03	≥95%

MD041016	Biotin-PEG1-COOH		359.44	≥95%

MD041016	Biotin-PEG5-COOH		535.65	≥95%

MD041016	Biotin-PEG9-COOH		711.86	≥95%

MD041016	Biotin-PEG10-COOH		755.92	≥95%

MD041016	Biotin-PEG12-COOH		844.02	≥95%

MD041016	Biotin-PEG24-COOH		1372.66	≥95%

MD041016	Biotin-PEG36-COOH		1901.3	≥95%

MD056016	Br-PEG1-COOH		197.03	≥95%

MD056016	Br-PEG2-COOH		241.08	≥95%

MD056016	Br-PEG3-COOH		285.13	≥95%

MD056016	Br-PEG5-COOH		373.24	≥95%

MD056016	Br-PEG6-COOH		417.29	≥95%

MD056016	Br-PEG8-COOH		505.4	≥95%

MD068121	Boc-NH-PEG4-CH2COOH		351.39	≥95%

MD068121	Boc-NH-PEG6-CH2COOH		439.5	≥95%

MD068121	Boc-NH-PEG7-CH2COOH		483.55	≥95%

MD068121	Boc-NH-PEG8-CH2COOH		527.6	≥95%

MD068121	Boc-NH-PEG12-CH2COOH		703.82	≥95%

MD069121	Fmoc-NH-PEG1-CH2COOH		341.36	≥95%

MD069121	Fmoc-NH-PEG6-CH2COOH		561.62	≥95%

MD069121	Fmoc-NH-PEG7-CH2COOH		605.67	≥95%

MD069121	Fmoc-NH-PEG9-CH2COOH		693.78	≥95%

MD069121	Fmoc-NH-PEG10-CH2COOH		737.84	≥95%

MD069121	Fmoc-NH-PEG11-CH2COOH		781.89	≥95%

MD069121	Fmoc-NH-PEG12-CH2COOH		825.95	≥95%

MD141016	Mal-PEG1-COOH		213.19	≥95%

MD141016	Mal-PEG10-COOH		609.66	≥95%

MD141016	Mal-PEG24-COOH		1226.4	≥95%

MD002121	OH-PEG10-CH2COOH		516.58	≥95%