Rolapitant HCl
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MedKoo CAT#: 202470

CAS#: 914462-92-3 (HCl)

Description: Rolapitant, also known as SCH-619734, is an orally bioavailable, centrally-acting, selective, neurokinin 1 receptor (NK1-receptor) antagonist with potential antiemetic activity. Upon oral administration, rolapitant competitively binds to and blocks the activity of the NK1-receptor in the central nervous system, thereby inhibiting the binding of the endogenous ligand, substance P (SP). This may prevent both SP-induced emesis and chemotherapy-induced nausea and vomiting (CINV). The interaction of SP with the NK1-receptor plays a key role in the induction of nausea and vomiting caused by emetogenic cancer chemotherapy.


Chemical Structure

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Rolapitant HCl
CAS# 914462-92-3 (HCl)

Theoretical Analysis

MedKoo Cat#: 202470
Name: Rolapitant HCl
CAS#: 914462-92-3 (HCl)
Chemical Formula: C25H27ClF6N2O2
Exact Mass:
Molecular Weight: 536.94
Elemental Analysis: C, 55.92; H, 5.07; Cl, 6.60; F, 21.23; N, 5.22; O, 5.96

Price and Availability

Size Price Availability Quantity
10.0mg USD 190.0 2 Weeks
25.0mg USD 350.0 2 Weeks
50.0mg USD 550.0 2 Weeks
100.0mg USD 950.0 2 Weeks
200.0mg USD 1650.0 2 Weeks
500.0mg USD 2650.0 2 Weeks
1.0g USD 3450.0 2 Weeks
2.0g USD 5650.0 2 Weeks
5.0g USD 9850.0 2 Weeks
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Related CAS #: 914462-92-3 (HCl)   552292-08-7 (free base)   914462-92-3 (HCl hydrate)    

Synonym: SCH619734 SCH-619734; SCH 619734; Rolapitant HCl; Rolapitant hydrochloride, Rolapitant, brand name: Varubi.

IUPAC/Chemical Name: (5S,8S)-8-(((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)methyl)-8-phenyl-1,7-diazaspiro[4.5]decan-2-one hydrochloride.

InChi Key: VEWAWEMXVUFANV-PVBCUUEWSA-N

InChi Code: InChI=1S/C25H26F6N2O2.ClH/c1-16(17-11-19(24(26,27)28)13-20(12-17)25(29,30)31)35-15-23(18-5-3-2-4-6-18)10-9-22(14-32-23)8-7-21(34)33-22;/h2-6,11-13,16,32H,7-10,14-15H2,1H3,(H,33,34);1H/t16-,22-,23-;/m1./s1

SMILES Code: O=C1N[C@]2(CN[C@@](C3=CC=CC=C3)(CO[C@@H](C4=CC(C(F)(F)F)=CC(C(F)(F)F)=C4)C)CC2)CC1.[H]Cl

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO, not in water

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 536.94 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: LiverTox: Clinical and Research Information on Drug-Induced Liver Injury [Internet]. Bethesda (MD): National Institute of Diabetes and Digestive and Kidney Diseases; 2012-. Available from http://www.ncbi.nlm.nih.gov/books/NBK548209/ PubMed PMID: 31643534.

2: Heo YA, Deeks ED. Rolapitant: A Review in Chemotherapy-Induced Nausea and Vomiting. Drugs. 2017 Oct;77(15):1687-1694. doi: 10.1007/s40265-017-0816-z. Review. PubMed PMID: 28929404.

3: Rapoport BL, Aapro M, Chasen MR, Jordan K, Navari RM, Schnadig I, Schwartzberg L. Recent developments in the clinical pharmacology of rolapitant: subanalyses in specific populations. Drug Des Devel Ther. 2017 Sep 5;11:2621-2629. doi: 10.2147/DDDT.S133943. eCollection 2017. Review. PubMed PMID: 28919712; PubMed Central PMCID: PMC5592904.

4: Rapoport BL. Rolapitant: An NK-1 Receptor Antagonist for the Prevention of Chemotherapy- Induced Nausea and Vomiting. Rev Recent Clin Trials. 2017;12(3):193-201. doi: 10.2174/1574887112666170406104854. Review. PubMed PMID: 28393710.

5: Rashad N, Abdel-Rahman O. Differential clinical pharmacology of rolapitant in delayed chemotherapy-induced nausea and vomiting (CINV). Drug Des Devel Ther. 2017 Mar 24;11:947-954. doi: 10.2147/DDDT.S108872. eCollection 2017. Review. PubMed PMID: 28392676; PubMed Central PMCID: PMC5373840.

6: Rapoport BL. Differential pharmacology and clinical utility of rolapitant in chemotherapy-induced nausea and vomiting. Cancer Manag Res. 2017 Feb 22;9:41-50. doi: 10.2147/CMAR.S97543. eCollection 2017. Review. PubMed PMID: 28260945; PubMed Central PMCID: PMC5327850.

7: Rapoport B, van Eeden R, Smit T. Rolapitant for the prevention of delayed nausea and vomiting over initial and repeat courses of emetogenic chemotherapy. Expert Rev Clin Pharmacol. 2017 Jan;10(1):17-29. doi: 10.1080/17512433.2017.1266251. Epub 2016 Dec 15. Review. PubMed PMID: 27894202.

8: Navari R. Rolapitant hydrochloride: prophylactic treatment for chemotherapy-induced nausea and vomiting. Drugs Today (Barc). 2016 Aug;52(8):431-438. Review. PubMed PMID: 27722211.

9: Chasen MR, Rapoport BL. Rolapitant for the treatment of chemotherapy-induced nausea and vomiting: a review of the clinical evidence. Future Oncol. 2016 Mar;12(6):763-78. doi: 10.2217/fon.16.11. Epub 2016 Feb 4. Review. PubMed PMID: 26842387.

10: Rolapitant (Varubi) for prevention and delayed chemotherapy-induced nausea and vomiting. Med Lett Drugs Ther. 2016 Feb 1;58(1487):17-8. Review. PubMed PMID: 26812124.

11: Abdel-Rahman O, Fouad M. Rolapitant: a pooled analysis of its efficacy and safety in the prophylaxis of chemotherapy-induced nausea and vomiting. Future Oncol. 2016 Mar;12(6):871-9. doi: 10.2217/fon.15.360. Epub 2016 Jan 25. Review. PubMed PMID: 26806790.

12: Syed YY. Rolapitant: first global approval. Drugs. 2015 Nov;75(16):1941-5. doi: 10.1007/s40265-015-0485-8. Review. PubMed PMID: 26467681.

13: Rojas C, Slusher BS. Mechanisms and latest clinical studies of new NK1 receptor antagonists for chemotherapy-induced nausea and vomiting: Rolapitant and NEPA (netupitant/palonosetron). Cancer Treat Rev. 2015 Dec;41(10):904-13. doi: 10.1016/j.ctrv.2015.09.005. Epub 2015 Sep 26. Review. PubMed PMID: 26442475.



Additional Information

Compared to other NK1-receptor antagonists, rolapitant has both a more rapid onset of action and a much longer half-life. Rolapitant was approved in 2015. Rolapitant hydrochloride is approved to be used with other drugs to prevent: Nausea and vomiting caused by chemotherapy. (last updated: 10/28/2016).