Quinapril-d5
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Hodoodo CAT#: H463961

CAS#: 1279029-79-6

Description: Quinapril-d5 is intended for use as an internal standard for the quantification of quinapril by GC- or LC-MS. Quinapril is a prodrug form of the angiotensin converting enzyme (ACE) inhibitor quinaprilat. In vivo, quinapril reduces mean arterial pressure in renal hypertensive and spontaneously hypertensive rats. It inhibits angiotensin I-induced pressor responses in normotensive rats and dogs. Quinapril prevents left ventricular heart failure in CHF 14.6 cardiomyopathic hamsters. Formulations containing quinapril have been used in the treatment of hypertension, heart failure, and diabetic nephropathy.


Chemical Structure

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Quinapril-d5
CAS# 1279029-79-6

Theoretical Analysis

Hodoodo Cat#: H463961
Name: Quinapril-d5
CAS#: 1279029-79-6
Chemical Formula: C25H25D5N2O5
Exact Mass: 443.25
Molecular Weight: 443.555
Elemental Analysis: C, 67.70; H, 7.95; N, 6.32; O, 18.03

Price and Availability

Size Price Availability Quantity
10mg USD -2 2 Weeks
25mg USD -2 2 Weeks
50mg USD -2 2 Weeks
100mg USD -2 2 Weeks
200mg USD -2 2 Weeks
500mg USD -2 2 Weeks
2g USD -2 2 Weeks
1mg USD 370 2 Weeks
5mg USD 980 2 Weeks
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Synonym: Quinapril-d5; Quinapril d5; CI-906-d5; CI906-d5; CI 906-d5; CI 906 d5; CI906 d5; CI-906 d5;

IUPAC/Chemical Name: (S)-2-(((S)-1-ethoxy-1-oxo-4-(phenyl-d5)butan-2-yl)-L-alanyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid

InChi Key: JSDRRTOADPPCHY-BNPIMZLHSA-N

InChi Code: InChI=1S/C25H30N2O5/c1-3-32-25(31)21(14-13-18-9-5-4-6-10-18)26-17(2)23(28)27-16-20-12-8-7-11-19(20)15-22(27)24(29)30/h4-12,17,21-22,26H,3,13-16H2,1-2H3,(H,29,30)/t17-,21-,22-/m0/s1/i4D,5D,6D,9D,10D

SMILES Code: O=C([C@H]1N(CC2=C(C1)C=CC=C2)C([C@@H](N[C@H](C(OCC)=O)CCC3=C(C([2H])=C(C([2H])=C3[2H])[2H])[2H])C)=O)O

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 methanol

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

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 443.55 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
Formulation protocol:
In vitro protocol:
In vivo protocol:

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13: Pang XF, Liu RM, Xia YF. Effects of inhibitors of the renin-angiotensin system on reducing blood pressure and expression of inflammatory factors in CHD patients: A network meta-analysis. J Cell Physiol. 2019 May;234(5):5988-5997. doi: 10.1002/jcp.27147. Epub 2018 Dec 7. PMID: 30537058.

14: Hubers SA, Kohm K, Wei S, Yu C, Nian H, Grabert R, Sexton DJ, Brown NJ. Endogenous bradykinin and B1-B5 during angiotensin-converting enzyme inhibitor- associated angioedema. J Allergy Clin Immunol. 2018 Nov;142(5):1636-1639.e5. doi: 10.1016/j.jaci.2018.06.037. Epub 2018 Jul 21. PMID: 30036596; PMCID: PMC6226317.

15: Gromotowicz-Poplawska A, Stankiewicz A, Mikita J, Aleksiejczuk M, Marcinczyk N, Szemraj J, Chabielska E. Beneficial effect of combined spironolactone and quinapril treatment on thrombosis and hemostasis in 2K1C hypertensive rats. J Physiol Pharmacol. 2018 Apr;69(2). doi: 10.26402/jpp.2018.2.10. Epub 2018 Jul 4. PMID: 29980144.

16: Desai RJ, Sarpatwari A, Dejene S, Khan NF, Lii J, Rogers JR, Dutcher SK, Raofi S, Bohn J, Connolly J, Fischer MA, Kesselheim AS, Gagne JJ. Differences in rates of switchbacks after switching from branded to authorized generic and branded to generic drug products: cohort study. BMJ. 2018 Apr 3;361:k1180. doi: 10.1136/bmj.k1180. PMID: 29615391; PMCID: PMC5881140.

17: LiverTox: Clinical and Research Information on Drug-Induced Liver Injury [Internet]. Bethesda (MD): National Institute of Diabetes and Digestive and Kidney Diseases; 2012–. Angiotensin-Converting Enzyme Inhibitors. 2018 Feb 11. PMID: 31644219.

18: LiverTox: Clinical and Research Information on Drug-Induced Liver Injury [Internet]. Bethesda (MD): National Institute of Diabetes and Digestive and Kidney Diseases; 2012–. Quinapril. 2018 Feb 11. PMID: 31643770.

19: Sun S, Wei Y, Wang H, Cao Y, Deng B. A novel electrochemiluminescence sensor coupled with capillary electrophoresis for simultaneous determination of quinapril hydrochloride and its metabolite quinaprilat hydrochloride in human plasma. Talanta. 2018 Mar 1;179:213-220. doi: 10.1016/j.talanta.2017.10.050. Epub 2017 Nov 4. PMID: 29310224.

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