2. GPCR/G Protein
    Neuronal Signaling
  3. Neurokinin Receptor
  4. Rolapitant

Rolapitant  (Synonyms: SCH619734)

Cat. No.: HY-14751 Purity: 98.65%
COA Handling Instructions

Rolapitant (SCH619734) is a potent, selective, long-acting and orally active neurokinin 1 (NK1) receptor antagonist with a Ki of 0.66 nM. Rolapitant does not interact with CYP3A4. Rolapitant shows potent anti-emetic activity in a ferret emesis model.

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

Rolapitant Chemical Structure

Rolapitant Chemical Structure

CAS No. : 552292-08-7

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Solution
10 mM * 1 mL in DMSO USD 121 In-stock
Solid + Solvent
10 mM * 1 mL
ready for reconstitution
 USD 121 In-stock
Solid
5 mg USD 110 In-stock
10 mg USD 165 In-stock
25 mg USD 264 In-stock
50 mg USD 440 In-stock
100 mg USD 660 In-stock
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Customer Review

Based on 1 publication(s) in Google Scholar

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  • Purity & Documentation

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Description

Rolapitant (SCH619734) is a potent, selective, long-acting and orally active neurokinin 1 (NK1) receptor antagonist with a Ki of 0.66 nM. Rolapitant does not interact with CYP3A4. Rolapitant shows potent anti-emetic activity in a ferret emesis model[1][2].

IC50 & Target[1]

human NK1

0.66 nM (Ki)

gerbil NK1

0.13 nM (Ki)

guinea pig NK1

0.72 nM (Ki)

monkey NK1

2.5 nM (Ki)

rabbit NK1

31.7 nM (Ki)

rat NK1

78.6 nM (Ki)

mouse NK1

60.4 nM (Ki)

In Vitro

Rolapitant has high selectivity over the human NK2 and NK3 subtypes of more than 1000-fold, as well as preferential affinity for human, guinea pig, gerbil and monkey NK1 receptors over rat, mouse and rabbit[1].
Rolapitant (1-1000 nM) inhibits the GR-73632 (an NK1 receptor agonist)-induced calcium efflux with a concentration-dependent and competitive manner in CHO cells expressing the human NK1 receptor[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
In Vivo

Rolapitant (0.03-1 mg/kg for PO, 0.3-1 mg/kg for IV; single dosage) attenuates the GR-73632-induced foot-tapping response in Mongolian Gerbils[1].
Rolapitant (0.03-1 mg/kg; PO; single dosage; observed for 72 h) blocks acute emesis induced by both apomorphine and cisplatin in ferrets[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Female Mongolian Gerbils (30-60 g; anesthetized by inhalation of an oxygen:isofluorane mixture after 4 h PO or immediately after IV, then injected with 5 μl of 3 pmol solution of GR-73632 via ICV)[1]
Dosage: 0.03, 0.1, 0.3 and 1 mg/kg for PO, 0.3 and 1 mg/kg for IV
Administration: PO or IV, single dosage
Result: Attenuated dose-dependently the GR-73632-induced foot-tapping response when administered PO 4 h before testing, with an ID90 of 0.3 mg/kg, and the inhibition in foot tapping for at least 24 h.
Blocked dose-dependently the foot tapping induced by GR-73632 when administered IV, with complete blockade observed at 1 mg/kg.
Animal Model: Ferrets (treated with subcutaneous administration of 0.125 mg/kg apomorphine or intraperitoneal administration of 10 mg/kg cisplatin)[1]
Dosage: 0.03, 0.1, 0.3 and 1 mg/kg
Administration: PO; single dosage; observed for 72 h
Result: Blocked dose-dependently acute emesis induced by both apomorphine and cisplatin in ferrets.
Produced a robust decrease in retches and vomits in ferrets that was maintained throughout the 72 h observation period.
Clinical Trial
Molecular Weight

500.48

Appearance

Solid

Formula

C25H26F6N2O2
CAS No.
SMILES

C[[email protected]@](C1=CC(C(F)(F)F)=CC(C(F)(F)F)=C1)([H])OC[[email protected]@]2(C3=CC=CC=C3)CC[[email protected]@](CCC4=O)(N4)CN2
Shipping

Room temperature in continental US; may vary elsewhere.
Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : ≥ 30 mg/mL (59.94 mM)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.9981 mL 9.9904 mL 19.9808 mL
5 mM 0.3996 mL 1.9981 mL 3.9962 mL
10 mM 0.1998 mL 0.9990 mL 1.9981 mL
*Please refer to the solubility information to select the appropriate solvent.
In Vivo:
  • 1.

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% saline

    Solubility: ≥ 2.5 mg/mL (5.00 mM); Clear solution

  • 2.

    Add each solvent one by one:  10% DMSO    90% corn oil

    Solubility: ≥ 2.5 mg/mL (5.00 mM); Clear solution

*All of the co-solvents are available by MCE.
Purity & Documentation
References
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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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Keywords:

Rolapitant552292-08-7SCH619734SCH 619734SCH-619734Neurokinin ReceptorNK receptorTachykinin receptorlong-actingorally activeanti-emeticemesisferretMongolian Gerbilsfoot tappingretchesvomitsInhibitorinhibitorinhibit

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