Fmoc-PEG4-Ala-Ala-Asn-PAB

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Category	Fmoc-PEGn-Ala-Ala-Asn-PAB
Catalog NO.	BPG-0269
Product Name	Fmoc-PEG4-Ala-Ala-Asn-PAB
CAS	2055048-57-0
Molecular Formula	C43H56N6O12
Molecular Weight	848.95

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Description	Fmoc-PEG4-Ala-Ala-Asn-PAB is a cleavable 4-unit PEG peptide linker that is used to synthesize antibody-conjugated drugs (ADCs).
Synonyms	L-Aspartamide, N-[19-(9H-fluoren-9-yl)-1,17-dioxo-4,7,10,13,18-pentaoxa-16-azanonadec-1-yl]-L-alanyl-L-alanyl-N1-[4-(hydroxymethyl)phenyl]-; N-[1-(9H-Fluoren-9-yl)-3,19-dioxo-2,7,10,13,16-pentaoxa-4-azanonadecan-19-yl]-L-alanyl-L-alanyl-N1-[4-(hydroxymethyl)phenyl]-L-aspartamide; (9H-fluoren-9-yl)methyl ((17S,20S,23S)-25-amino-23-((4-(hydroxymethyl)phenyl)carbamoyl)-17,20-dimethyl-15,18,21,25-tetraoxo-3,6,9,12-tetraoxa-16,19,22-triazapentacosyl)carbamate
IUPAC Name	9H-fluoren-9-ylmethyl N-[2-[2-[2-[2-[3-[[(2S)-1-[[(2S)-1-[[(2S)-4-amino-1-[4-(hydroxymethyl)anilino]-1,4-dioxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethyl]carbamate
Canonical SMILES	CC(C(=O)NC(C)C(=O)NC(CC(=O)N)C(=O)NC1=CC=C(C=C1)CO)NC(=O)CCOCCOCCOCCOCCNC(=O)OCC2C3=CC=CC=C3C4=CC=CC=C24
InChI	InChI=1S/C43H56N6O12/c1-28(40(53)47-29(2)41(54)49-37(25-38(44)51)42(55)48-31-13-11-30(26-50)12-14-31)46-39(52)15-17-57-19-21-59-23-24-60-22-20-58-18-16-45-43(56)61-27-36-34-9-5-3-7-32(34)33-8-4-6-10-35(33)36/h3-14,28-29,36-37,50H,15-27H2,1-2H3,(H2,44,51)(H,45,56)(H,46,52)(H,47,53)(H,48,55)(H,49,54)/t28-,29-,37-/m0/s1
InChIKey	SAXNVMPCIWDUGW-PBCNQIPESA-N
Boiling Point	1172.6±65.0°C at 760 mmHg
Purity	≥95%
Density	1.3±0.1 g/cm3
Solubility	Soluble in DMSO
Appearance	White Solid
Shelf Life	0-4℃ for short term (days to weeks), or -20℃ for long term (months).
Storage	Store at 2-8°C for short term (days to weeks) or -20°C for long term (months to years)

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