Reference health
Quantitative determination and validation of octreotide acetate using <sup>1</sup>H‐NMR spectroscopy with internal standard method
16/16 checkable references clean · checked 2026-08-22
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
7 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 16 checked references that resolve
resolves10.1021/ac60204a043
Quantitative Analysis of Aspirin, Phenacetin, and Caffeine Mixtures by Nuclear Magnetic Resonance Spectrometry.
resolves10.1016/j.jpba.2017.02.055
Purity assessment of ginsenoside Rg1 using quantitative 1H nuclear magnetic resonance
resolves10.1016/j.talanta.2015.12.051
Direct and simultaneous quantification of ATP, ADP and AMP by 1H and 31P Nuclear Magnetic Resonance spectroscopy
resolves10.1021/acs.analchem.5b03798
High Throughput Identification and Quantification of Phospholipids in Complex Mixtures
resolves10.1016/j.jpba.2015.05.021
Application of quantitative NMR for purity determination of standard ACE inhibitors
resolves10.1021/np0497301
Quantitative
<sup>1</sup>
H NMR: Development and Potential of a Method for Natural Products Analysis
resolves10.1039/C4AN01681E
Quantitative analysis of sitagliptin using the
<sup>19</sup>
F-NMR method: a universal technique for fluorinated compound detection
resolves10.1021/jm00048a011
Generally Applicable, Convenient Solid-Phase Synthesis and Receptor Affinities of Octreotide Analogs
resolves10.1016/j.talanta.2014.02.059
Precise measurement for the purity of amino acid and peptide using quantitative nuclear magnetic resonance
resolves10.1016/j.jpba.2009.12.007
The role of solvents in the signal separation for quantitative 1H NMR spectroscopy
resolves10.1016/j.jpba.2010.02.007
Survey and qualification of internal standards for quantification by 1H NMR spectroscopy
The 7 references without a DOI — listed, not checked
no DOI — not checkedChinese Pharmacopoeia
no DOI — not checkede_1_2_6_16_1
no DOI — not checkedChinese Pharmacopoeia
no DOI — not checkedEuropean Pharmacopoeia
no DOI — not checkedPharmaceutical WHO Expert Committee on Specifications for Preparations General guidelines for the establishment maintenance and distribution of chemical reference substances WHO technical report series World Health Organization Geneva 2007 67.
no DOI — not checkedPharmaceutical Sciences Questions and Answers
no DOI — not checkede_1_2_6_24_1
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carried a retraction notice at that time. It says nothing about the quality, findings,
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