1. GPCR/G Protein
  2. CRFR
  3. Stressin I TFA

Stressin I TFA  (Synonyms: Cyclo(31-34)[DPhe12,Nle21,38,Glu31,Lys34]Ac-hCRF(4-41) TFA)

Cat. No.: HY-P1368A Purity: 98.38%
COA Handling Instructions

Stressin I (Cyclo(31-34)[DPhe12,Nle21,38,Glu31,Lys34]Ac-hCRF(4-41)) TFA is a potent CRF1 receptor selective agonist, Ki is 1.7 nM. Stressin I induces an increase in adrenocorticotropic hormone (ACTH) levels in rats.

For research use only. We do not sell to patients.

Custom Peptide Synthesis

Stressin I TFA Chemical Structure

Stressin I TFA Chemical Structure

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1 mg USD 150 In-stock
5 mg USD 438 In-stock
10 mg USD 656 In-stock
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Other Forms of Stressin I TFA:

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Description

Stressin I (Cyclo(31-34)[DPhe12,Nle21,38,Glu31,Lys34]Ac-hCRF(4-41)) TFA is a potent CRF1 receptor selective agonist, Ki is 1.7 nM. Stressin I induces an increase in adrenocorticotropic hormone (ACTH) levels in rats[1][1].

IC50 & Target

CRF1

Molecular Weight

4472.20 (free base)

Formula

C203H337N57O56.xC2HF3O2

Appearance

Solid

Color

White to off-white

Sequence

Ac-Pro-Pro-Ile-Ser-Leu-Asp-Leu-Thr-{d-Phe}-His-Leu-Leu-Arg-Glu-Val-Leu-Glu-Nle-Ala-Arg-Ala-Glu-Gln-Leu-Ala-Gln-Gln-Glu-His-Ser-Lys-Arg-Lys-Leu-Nle-Glu-Ile-Ile-NH2 (Covalent bond: Glu28-Lys31)

Sequence Shortening

Ac-PPISLDLT-{d-Phe}-HLLREVLE-{Nle}-ARAEQLAQQEHSKRKLXEII-NH2 (Covalent bond: Glu28-Lys31)

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Sealed storage, away from moisture and light

Powder -80°C 2 years
-20°C 1 year

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)

Solvent & Solubility
In Vitro: 

H2O : 1.98 mg/mL (ultrasonic and adjust pH to 3 with HCl)

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Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

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This equation is commonly abbreviated as: C1V1 = C2V2

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In Vivo Dissolution Calculator
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The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only.If necessary, please contact MedChemExpress (MCE).
Purity & Documentation
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Stressin I TFA Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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Stressin I TFA
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HY-P1368A
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