MS: m/z: 102.1 (100.0%) and m/z =103.1 (6.5%) IR (cm-1): 3000-3300 (strong, broad), 2950; 1150 (strong); 1H NMR (8): 0.91 (6H, d, J-7 Hz), 1.19 (6H, s), 1.48 (1H, singlet disappears with D2O), 1.65 (1H, septet, J=7Hz); ** HO II III ķ IV OH ķ V
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- I. Look at the MS/MS for paracetamol (a drug), explain the peaks seen at 134 and 110, and draw the structure for the 110 peak. Paracetamòl N-(4-hydroxyphenyliacetamide ESI+, MS/MSs Kky pan_03_c80720211368 1-38 RT: 0.00024 AV 35 N: 107ES T TMSES F ms 12.00g24 00 0 00-10.0g 100g 110.0 CH но 70 (M.H]* 162.0 16 1340 130 100The intensity of M+, M+1, and M+2 peak are 100.0, 6.8, 31.9. The compound contains carbons, hydrogens, and a heteroatom. What is the molecular formula of the compound? (use format CxHyZ, where Z is heteroatom) 100 MS-NW-549S 80 60 40 10 20 30 40 50 60 70 80 90 100 110 Relative Intensity 20The intensities of peaks at 69 m/z, 70 m/z, and 71 m/z are 1.2, 31.2, and 1.7, respectively. How many carbons does the compound have? 100 MS-N-1334 80- 40 20- 10 15 20 25 30 35 40 45 50 55 60 65 70 m/z Relative Intensity
- OH HC CH compound A With a flask of certified primary standard of pure compound A, the researcher carried out the absorbance measurement (U.V. at 298 nm) of 6 different concentrations, using methanol and a 10 mm quartz cuvette and obtained the following results: C(ug/mL) Absorbância 0,2962 0,3943 3. 4. 0,4924 0,5905 0,6886 0,7867 7. 8. Knowing that at 298nm the peak of highest intensity occurs in the U.V. indicate what kind of transition is this probably referring to? With the data in the table determines the molar extinction coefficient of compound A? The absorbance reading of the injectable showed a value of 0.4436, what is the real value of concentration of this injectable? The absorbance reading of the tablet showed a value of 0.4826, which is the real value of mass of the asset contained in the tablet knowing that it was dissolved completely in 100mL of methanol?4000 IR Spectrum quid film) 100 80 60 40 YI 2248 41 10 3000 43 40 proton decoupled "C NMR Spectrum (150 MHz CDC, solution) 68 DEPT CH, CH, 1 CHT 9 200 ¹H NMR Spectrum (600 MHz, CDC, solution) M83 (<1%) 80 120 2000 v (cm) 8 m/e 160 160 2.3 L 7 1600 2.2 200 ryper 1200 6 ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 120 Mass Spectrum 240 21 2.0 expansions (not to scale) 800 I CsH₂N 280 5 expansion 80 4 270 255 256 255 expansion No significant UV absorption above 220 nm 27.0 245 250 255 1.0 3 40 L 2 0 8 (ppm) 1 1 TMS L 1 0 8 (ppm) 10 ¹H-¹C me-HSQC Spectrum (600 MHz, CDC, solution) Black cross-peaks CH and CH Red cross-peaks CH₂ ppm 20 ¹H-"C HMBC Spectrum (600 MHz, CDC), solution) -22 -24 -26 -28 116 118 120 122 124 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 ppm ppm 20 22 -24 26 28 -116 118 -120 122 -124 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 ppm IR: List bands and possible/probable structural units responsible Band (cm³) Possible…The low-resolution mass spectrum of an unknown analgesic X had a molecular ion of 151. Possible molecular formulas include C7H5NO3, C8H9NO2, and C10H17N. Highresolution mass spectrometry gave an exact mass of 151.0640. What is the molecular formula of X?
- IR Spectrum (liquid film) 184 4000 100 80 60 40 20 40 13C NMR Spectrum (50.0 MHz, CDCI, solution) proton decoupled 200 ¹H NMR Spectrum (600 MHz, CDCI, solution) 1 10 9 8 3000 % of base peak 80 128 my 2000 V (cm¹) 119 M+* 134 120 160 m/e expansion 124 ppm 160 1600 I 7 200 I 6 120 ppm 1200 800 Mass Spectrum C10 H14 280 solvent 80 240 I 5 7.4 1 4 expansion 3 Problem 95 UV Spectrum max 262 nm (log10 € 2.5) solvent: ethanol -CH3 C 40 7.2 2 1 0 8 (ppm) TMS 1 I 1 0 8 (ppm) 201can you help label peaks 100 2156.91am-1, 100 53%T 95 1668.76om-1. 07 60%T 3011.71cm-1, 04T s60 80cm-1 9494%T 90 52cm 140.sam-1. 85 Wo nem-1, no oNT 80 12 0Som-.00%T 7dom-1, 8287%T h200 05cm-1, 7 T 720 5ecm-1, 80.09%T 75 1000.001, 77.85%T 1404 Soom-1, 74.12%T 70 1045.02cm-1, 70.55%T anona ic 65 28 73am-1, 63.53%T 60 55 2920.om-1, 52.52%T 51- 4000 3000 2000 cm-1 3500 2500 1500 1000 4507) Chemical Formula: C₂H₁N IR: weak peak at 3400cm-1 7 1H SH 2H 8) Chemical Formula: C8H1204 IR: strong peak 1720cm-1, peak at 1650cm-1 Unknowns for 1H NMR Final Report 9) Chemical Formula: C5H1002 IR: strong peak at 1750cm-1 1H (8~27 = 16-+2 = € /2=2. PPM 4H 2H 3 PPM 3H 3H 2 * H - (8x2) = 16-12=412=2 -G-H H h+1= 2 4 6H 6H
- 110 Problem 4 IR Spectrum (CCI solution) menhsl propionate 1744 4000 3000 2000 1600 V (cm') 1200 800 100 57 80 29 Mass Spectrum 60 40 No significant UV absorption above 220 nm M*- 88 20 CAHBO2 40 80 120 160 m/e 200 240 280 13C NMR Spectrum (100.0 MHz. CDCI, solution) DEPT CH CH, CHt solvent proton decoupled 0. 8 (ppm) 120 80 40 200 160 H NMR Spectrum (200 MHz, CDCI, solution) expansion TMS ppm 1.0 2.0 4 8 (ppm 7 6. 10 % of base peakWhat functional group is indicated by the arrow? Percent Transmission (Transmitance) 0.8 0.6 0.4 0.2 amine. 2000 Wavenumber (cm-1) NIST Chemistry WebBook (https://webbook.nist.gov/chemistry) nitrile alkyne Ketone 3000 alcoholi Acetone INFRARED SPECTRUM M 1000After creating her standard curve for absorption versus the concentration (M) of FD&C Red 40, a student found that her best fit linear line for FD&C Red 40 was y = 2,681x + -0.002. Her Kool-Aid sample had an absorbance of 0.337. If 0.55 grams of Kool-Aid powder was used to prepare an 8-fl oz cup of her assigned flavor, what is the percent by mass of FD&C Red 40 in her 8-fl oz cup?