WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 561800

CAS#: 1257067-10-9

Description: Carboetomidate is an analog of etomidate that was specifically designed not to bind with high affinity to 11β-hydroxylase.

Chemical Structure

CAS# 1257067-10-9

Theoretical Analysis

MedKoo Cat#: 561800
Name: Carboetomidate
CAS#: 1257067-10-9
Chemical Formula: C15H17NO2
Exact Mass: 243.1259
Molecular Weight: 243.3
Elemental Analysis: C, 74.05; H, 7.04; N, 5.76; O, 13.15

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: Carboetomidate;

IUPAC/Chemical Name: Ethyl 1-[(1R)-1-phenylethyl]pyrrole-2-carboxylate


InChi Code: InChI=1S/C15H17NO2/c1-3-18-15(17)14-10-7-11-16(14)12(2)13-8-5-4-6-9-13/h4-12H,3H2,1-2H3/t12-/m1/s1


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

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 243.3 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

Molarity Calculator

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*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

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1: Khurmi N, Patel P, Kraus M, Trentman T. Pharmacologic Considerations for Pediatric Sedation and Anesthesia Outside the Operating Room: A Review for Anesthesia and Non-Anesthesia Providers. Paediatr Drugs. 2017 Oct;19(5):435-446. doi: 10.1007/s40272-017-0241-5. Review. PubMed PMID: 28597354.

2: Pejo E, Zhou X, Husain SS, Raines DE. Sedative-hypnotic Binding to 11β-hydroxylase. Anesthesiology. 2016 Nov;125(5):943-951. PubMed PMID: 27541316; PubMed Central PMCID: PMC5069162.

3: Shanmugasundararaj S, Zhou X, Neunzig J, Bernhardt R, Cotten JF, Ge R, Miller KW, Raines DE. Carboetomidate: an analog of etomidate that interacts weakly with 11β-hydroxylase. Anesth Analg. 2013 Jun;116(6):1249-56. doi: 10.1213/ANE.0b013e31828b3637. Epub 2013 Mar 14. PubMed PMID: 23492967; PubMed Central PMCID: PMC3836822.

4: Desai R, Miller KW, Raines DE. The pyrrole etomidate analog carboetomidate potently inhibits human 5-HT3A receptor function: comparisons with etomidate and potential implications for emetogenesis. Anesth Analg. 2013 Mar;116(3):573-9. doi: 10.1213/ANE.0b013e31827d204d. Epub 2013 Feb 11. PubMed PMID: 23400978; PubMed Central PMCID: PMC3582768.

5: Sneyd JR. Novel etomidate derivatives. Curr Pharm Des. 2012;18(38):6253-6. Review. PubMed PMID: 22762475.

6: Pierce DW, Pejo E, Raines DE, Forman SA. Carboetomidate inhibits alpha4/beta2 neuronal nicotinic acetylcholine receptors at concentrations affecting animals. Anesth Analg. 2012 Jul;115(1):70-2. doi: 10.1213/ANE.0b013e318254273e. Epub 2012 Apr 27. PubMed PMID: 22543065; PubMed Central PMCID: PMC3381859.

7: Jackson WL Jr. Carboetomidate: will it eliminate the etomidate debate? Crit Care Med. 2012 Jan;40(1):333-4. doi: 10.1097/CCM.0b013e31823294c7. PubMed PMID: 22179369.

8: Pejo E, Cotten JF, Kelly EW, Le Ge R, Cuny GD, Laha JK, Liu J, Lin XJ, Raines DE. In vivo and in vitro pharmacological studies of methoxycarbonyl-carboetomidate. Anesth Analg. 2012 Aug;115(2):297-304. doi: 10.1213/ANE.0b013e3182320559. Epub 2011 Sep 29. PubMed PMID: 21965364; PubMed Central PMCID: PMC3252484.

9: Pejo E, Feng Y, Chao W, Cotten JF, Le Ge R, Raines DE. Differential effects of etomidate and its pyrrole analogue carboetomidate on the adrenocortical and cytokine responses to endotoxemia. Crit Care Med. 2012 Jan;40(1):187-92. doi: 10.1097/CCM.0b013e31822d7924. PubMed PMID: 21926608; PubMed Central PMCID: PMC3242859.

10: Cotten JF, Le Ge R, Banacos N, Pejo E, Husain SS, Williams JH, Raines DE. Closed-loop continuous infusions of etomidate and etomidate analogs in rats: a comparative study of dosing and the impact on adrenocortical function. Anesthesiology. 2011 Oct;115(4):764-73. doi: 10.1097/ALN.0b013e31821950de. PubMed PMID: 21572317; PubMed Central PMCID: PMC3534755.

11: Sneyd JR, Rigby-Jones AE. New drugs and technologies, intravenous anaesthesia is on the move (again). Br J Anaesth. 2010 Sep;105(3):246-54. doi: 10.1093/bja/aeq190. Epub 2010 Jul 21. Review. PubMed PMID: 20650920.

12: Cotten JF, Forman SA, Laha JK, Cuny GD, Husain SS, Miller KW, Nguyen HH, Kelly EW, Stewart D, Liu A, Raines DE. Carboetomidate: a pyrrole analog of etomidate designed not to suppress adrenocortical function. Anesthesiology. 2010 Mar;112(3):637-44. doi: 10.1097/ALN.0b013e3181cf40ed. PubMed PMID: 20179500; PubMed Central PMCID: PMC2830733.