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Cyclo(-Ser-Tyr)

Cyclo(-Ser-Tyr) structure

CAS No.: 21754-31-4

Chemical Name:: Cyclo(-Ser-Tyr)

Synonyms: c(Ser-Tyr);Cyclo(Tyr-Ser);Cyclo(-Ser-Tyr);cyclo(seryltyrosyl);Cyclo(L-seryl-L-tyrosyl);Cyclo(-L-Ser-L-Tyr)≥ 99% (HPLC);(3S,6S)-3-(Hydroxymethyl)-6-[(4-hydroxyphenyl)methyl]-2,5-piperazinedione;2,5-Piperazinedione, 3-(hydroxymethyl)-6-[(4-hydroxyphenyl)methyl]-, (3S,6S)-

CBNumber:: CB6273446

Molecular Formula:: C12H14N2O4

Molecular Weight:: 250.25

MDL Number:: MFCD00237620

MOL File:: 21754-31-4.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:54:09

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Cyclo(-Ser-Tyr) Properties

Boiling point	679.1±45.0 °C(Predicted)
Density	1.339±0.06 g/cm3(Predicted)
storage temp.	-15°C
pka	9.90±0.15(Predicted)

Cyclo(-Ser-Tyr) price More Price(26)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Usbiological	269754	Cyclo(-L-Ser-L-Tyr) Asreported	21754-31-4	100mg	$373	2026-06-03	Buy
Usbiological	269754	Cyclo(-L-Ser-L-Tyr) Asreported	21754-31-4	250mg	$513	2026-06-03	Buy
Usbiological	269754	Cyclo(-L-Ser-L-Tyr) Asreported	21754-31-4	500mg	$701	2026-06-03	Buy
Usbiological	269754	Cyclo(-L-Ser-L-Tyr) Asreported	21754-31-4	1g	$1217	2026-06-03	Buy
Usbiological	269754	Cyclo(-L-Ser-L-Tyr) Asreported	21754-31-4	2g	$1742	2026-06-03	Buy

Product number	Packaging	Price	Buy
269754	100mg	$373	Buy
269754	250mg	$513	Buy
269754	500mg	$701	Buy
269754	1g	$1217	Buy
269754	2g	$1742	Buy

Cyclo(-Ser-Tyr) Chemical Properties, Uses, Production

Chemical Properties

Off-white powder

Uses

Cyclo(-L-Ser-L-Tyr) is a diketopiperazine related derivative with broad spectrum of biological activities useful in medicine and natural products.

Definition

ChEBI: (3S,6S)-3-(4-Hydroxybenzyl)-6-(hydroxymethyl)-2,5-piperazinedione is an organonitrogen compound and an organooxygen compound. It is functionally related to an alpha-amino acid.

Cyclo(-Ser-Tyr) Preparation Products And Raw materials

Raw materials

Preparation Products

Cyclo(-Ser-Tyr) Suppliers

Global Suppliers ( 46)

Supplier	Tel	Email	Country	ProdList	Advantage
GL Biochem (Shanghai) Ltd	21-61263452 13641803416	ymbetter@glbiochem.com	China	9981	64
Chemsky (shanghai) International Co.,Ltd	021-50135380	shchemsky@sina.com	China	15350	60
9ding chemical ( Shanghai) Limited	4009209199	sales@9dingchem.com	China	18201	56
Avantpbc Chemical Tech(Shanghai) Co,Ltd.	17802107445		China	185	55
Nanjing Leon Biological Technology Co., Ltd.	025-84523390 -127; 17705183659	sales@njleonbiotech.com	China	5501	55
Nanjing Peptide Biotech Ltd.	025-58361106-805 15951641583	zhao.xu@njpeptide.com	China	9976	55
Hangzhou Peptidego Biotech Co.,Ltd.	0571-87213919 15967184799	Eric@peptidego.com	China	7872	58
Beijing Minruida Technology Co., Ltd.	010-82387566	sales@mreda.com.cn	China	19323	58
Nextpeptide Inc	+86-0571-81612335 +8613336028439	sales@nextpeptide.com	China	19904	58
BOC Sciences	+1-631-485-4226	inquiry@bocsci.com	United States	19935	58

Supplier	Advantage
GL Biochem (Shanghai) Ltd	64
Chemsky (shanghai) International Co.,Ltd	60
9ding chemical ( Shanghai) Limited	56
Avantpbc Chemical Tech(Shanghai) Co,Ltd.	55
Nanjing Leon Biological Technology Co., Ltd.	55
Nanjing Peptide Biotech Ltd.	55
Hangzhou Peptidego Biotech Co.,Ltd.	58
Beijing Minruida Technology Co., Ltd.	58
Nextpeptide Inc	58
BOC Sciences	58

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2-Piperazinemethanol 2-Benzylpiperazine Cyclo(-Ala-Ser) (3S)-3-((4-Hydroxyphenyl)methyl)-2,5-piperazinedione Cyclo(-Ser-Tyr)

Cyclo(-Gly-Phe) Cyclo(-Phe-Ser) Piperazinone, 3-(phenylmethyl)-, (S)- (9CI)

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cyclo(seryltyrosyl) (3S,6S)-3-(Hydroxymethyl)-6-[(4-hydroxyphenyl)methyl]-2,5-piperazinedione Cyclo(L-seryl-L-tyrosyl) Cyclo(-L-Ser-L-Tyr)≥ 99% (HPLC) 2,5-Piperazinedione, 3-(hydroxymethyl)-6-[(4-hydroxyphenyl)methyl]-, (3S,6S)- Cyclo(Tyr-Ser) c(Ser-Tyr) Cyclo(-Ser-Tyr) 21754-31-4