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R18

R18 structure

CAS No.: 211364-78-2

Chemical Name:: R18

Synonyms: R18 trifluoroacetate;R18;PubChem ID: 71311629;Pro-His-Cys-Val-Pro-Arg-Asp-Leu-Ser-T;PHCVPRDLSWLDLEANMCLP trifluoroacetate;L-Proline, L-prolyl-L-histidyl-L-cysteinyl-L-valyl-L-prolyl-L-arginyl-L-α-aspartyl-L-leucyl-L-seryl-L-tryptophyl-L-leucyl-L-α-aspartyl-L-leucyl-L-α-glutamyl-L-alanyl-L-asparaginyl-L-methionyl-L-cysteinyl-L-leucyl-;L-Prolyl-L-histidyl-L-cysteinyl-L-valyl-L-prolyl-L-arginyl-L-a-aspartyl-L-leucyl-L-seryl-L-tryptophyl-L-leucyl-L-a-aspartyl-L-leucyl-L-a-glutamyl-L-alanyl-L-asparaginyl-L-methionyl-L-cysteinyl-L-leucyl-L-proline trifluoroacetate

CBNumber:: CB0463737

Molecular Formula:: C101H157N27O29S3

Molecular Weight:: 2309.69

MDL Number:: MFCD09841901

MOL File:: 211364-78-2.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-04-24 14:58:19

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R18 Properties

Density	1.50±0.1 g/cm3(Predicted)
storage temp.	Desiccate at -20°C
form	powder
color	white to off-white
Water Solubility	Soluble to 1 mg/ml in water
Sequence	Pro-His-Cys-Val-Pro-Arg-Asp-Leu-Ser-Trp-Leu-Asp-Leu-Glu-Ala-Asn-Met-Cys-Leu-Pro
InChIKey	RLMYFUMCZYJMNX-KIXMOXNVSA-N
UNSPSC Code	12352200
NACRES	NA.25

SAFETY

Risk and Safety Statements

WGK Germany	3
Storage Class	11 - Combustible Solids

R18 price More Price(17)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	SML0108	R18 trifluoroacetate ≥98% (HPLC)	211364-78-2	1mg	$236	2026-04-30	Buy
Usbiological	256419	R18 Asreported	211364-78-2	1mg	$631	2026-06-03	Buy
Biosynth	LIA36478	R18	211364-78-2	1mg	$464.75	2026-06-04	Buy
Biosynth	LIA36478	R18	211364-78-2	5mg	$1510.45	2026-06-04	Buy
Biosynth	LIA36478	R18	211364-78-2	10mg	$2416.8	2026-06-04	Buy

Product number	Packaging	Price	Buy
SML0108	1mg	$236	Buy
256419	1mg	$631	Buy
LIA36478	1mg	$464.75	Buy
LIA36478	5mg	$1510.45	Buy
LIA36478	10mg	$2416.8	Buy

R18 Chemical Properties, Uses, Production

Uses

R18 trifluoroacetate has been used to treat 12-d-old or 14-d-oldSuper:C-repeat-binding factors (CBFs)-Mycplants for CBF protein immunoblots to study the effect of R18 on CBF3 degradation in planta.

General Description

R18 trifluoroacetate is a nonphosphorylated peptide. This peptide was originally identified as a high-affinity 14-3-3 ligand by phage display.

Biochem/physiol Actions

C-repeat-binding factors (CBFs) protein -Myctransgenic plants, R18 is capable of reducing the degradation ofCBF1 and CBF3.

storage

Store at -20°C

R18 Preparation Products And Raw materials

Raw materials

Preparation Products

R18 Suppliers

Global Suppliers ( 40)

Supplier	Tel	Email	Country	ProdList	Advantage
3B Pharmachem (Wuhan) International Co.,Ltd.	18930552037	3bsc@sina.com	China	15813	69
Sigma-Aldrich	021-61415566 800-8193336	orderCN@merckgroup.com	China	51389	80
Creative Peptides		info@creative-peptides.com	United States	6083	56
Chengdu Youngshe Chemical Co., Ltd.	+86-17380623303	Caroline@youngshechem.com	China	4726	58
Hangzhou Peptidego Biotech Co.,Ltd.	0571-87213919 15967184799	Eric@peptidego.com	China	7872	58
BOC Sciences	16314854226; +8616314854226	inquiry@bocsci.com	United States	19852	58
Zhejiang J&C Biological Technology Co.,Limited	+1-2135480471	sales@sarms4muscle.com	China	10378	58
Wuxi Helen Biotechnology Co., Ltd.,	0510-85629785 18013409632	sales@reading-chemicals.com	China	14072	58
Hangzhou Go Top Peptide Biotech	0571-88211921 17357109671	sales3@gotopbio.com	China	2988	58
MedBioPharmaceutical Technology Inc	021-69568360 18916172912	order@med-bio.cn	China	8137	58

Supplier	Advantage
3B Pharmachem (Wuhan) International Co.,Ltd.	69
Sigma-Aldrich	80
Creative Peptides	56
Chengdu Youngshe Chemical Co., Ltd.	58
Hangzhou Peptidego Biotech Co.,Ltd.	58
BOC Sciences	58
Zhejiang J&C Biological Technology Co.,Limited	58
Wuxi Helen Biotechnology Co., Ltd.,	58
Hangzhou Go Top Peptide Biotech	58
MedBioPharmaceutical Technology Inc	58

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PHCVPRDLSWLDLEANMCLP trifluoroacetate Pro-His-Cys-Val-Pro-Arg-Asp-Leu-Ser-T R18 L-Prolyl-L-histidyl-L-cysteinyl-L-valyl-L-prolyl-L-arginyl-L-a-aspartyl-L-leucyl-L-seryl-L-tryptophyl-L-leucyl-L-a-aspartyl-L-leucyl-L-a-glutamyl-L-alanyl-L-asparaginyl-L-methionyl-L-cysteinyl-L-leucyl-L-proline trifluoroacetate PubChem ID: 71311629 L-Proline, L-prolyl-L-histidyl-L-cysteinyl-L-valyl-L-prolyl-L-arginyl-L-α-aspartyl-L-leucyl-L-seryl-L-tryptophyl-L-leucyl-L-α-aspartyl-L-leucyl-L-α-glutamyl-L-alanyl-L-asparaginyl-L-methionyl-L-cysteinyl-L-leucyl- R18 trifluoroacetate 211364-78-2 C101H157N27O29S3 Caspases/Apoptosis