Cys(Npys)-(Arg)9

This is a peptide comprising of 9 Arginine residues and is synthesized with an activated cysteine residue C(Npys), wherein Npys is 3-Nitro-2-pyridinesulfenyl group protects cysteine..The S(Npys) group of this cysteine-containing 9R is capable of reacting selectively with the free thiol group of another cysteine-containing peptide to form an unsymmetrical disulfide bond. Coupling of sulfhydrils has been studied as an effective means to deliver/release therapeutics such as siRNA in the reducing environment within the cell.

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CAT#	GR1107
Chemical Name	(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2R)-2-amino-3-[(3-nitropyridin-2-yl)disulfanyl]propanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-carbamimidamidopentanamide;2,2,2-trifluoroacetic acid
M.F/Formula	C62H118N40O12S2
M.W/Mr.	1680.1
Sequence	C(Npys)-Arg-Arg-Arg-Arg-Arg-Arg-Arg-Arg-Arg-NH2

CAT#	Product Name	Inquiry
GR1106	(Arg)9, TAMRA-labeled	Inquiry
GR1104	(Arg)9 biotin labeled	Inquiry
GR1108	Cys(Npys)-(D-Arg)9	Inquiry
GR1102	(D-Arg)9	Inquiry
GR1105	(Arg)9, FAM-labeled	Inquiry

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Storage	-20°C
Solubility	Soluble in water for a solution up to 2 mg/ml, otherwise acetonitrile is recommend. Avoid repeated freezing and thawing.
InChI	InChI=1S/C62H118N40O12S2.C2HF3O2/c63-32(31-115-116-53-42(102(113)114)20-10-21-83-53)44(104)94-34(12-2-23-85-55(67)68)46(106)96-36(14-4-25-87-57(71)72)48(108)98-38(16-6-27-89-59(75)76)50(110)100-40(18-8-29-91-61(79)80)52(112)101-41(19-9-30-92-62(81)82)51(111)99-39(17-7-28-90-60(77)78)49(109)97-37(15-5-26-88-58(73)74)47(107)95-35(13-3-24-86-56(69)70)45(105)93-33(43(64)103)11-1-22-84-54(65)66;3-2(4,5)1(6)7/h10,20-21,32-41H,1-9,11-19,22-31,63H2,(H2,64,103)(H,93,105)(H,94,104)(H,95,107)(H,96,106)(H,97,109)(H,98,108)(H,99,111)(H,100,110)(H,101,112)(H4,65,66,84)(H4,67,68,85)(H4,69,70,86)(H4,71,72,87)(H4,73,74,88)(H4,75,76,89)(H4,77,78,90)(H4,79,80,91)(H4,81,82,92);(H,6,7)/t32-,33-,34-,35-,36-,37-,38-,39-,40-,41-;/m0./s1
InChI Key	QMMCSHWHOJMDNF-LFIATKJXSA-N
Canonical SMILES	C1=CC(=C(N=C1)SSCC(C(=O)NC(CCCNC(=N)N)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCCNC(=N)N)C(=O)N)N)[N+](=O)[O-].C(=O)(C(F)(F)F)O
Isomeric SMILES	C1=CC(=C(N=C1)SSC[C@@H](C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N)N)[N+](=O)[O-].C(=O)(C(F)(F)F)O