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Name______________________ KU ID __________ Date_________ References MSDA Print File :E:\DATA XXXXXXXXXXPROPRANOLOL-7.D Operator : Acquired : 16 Jan XXXXXXXXXX:07 using AcqMethod PROPAUTO.M Instrument...

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Name______________________ KU ID __________ Date_________
References

MSDA Print
File :E:\DATA XXXXXXXXXXPROPRANOLOL-7.D
Operator :
Acquired : 16 Jan XXXXXXXXXX:07 using AcqMethod PROPAUTO.M
Instrument : GC MS 1
Sample Name:
Misc Info :
Vial Number: 1
XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX.50
1000000
2000000
3000000
4000000
5000000
6000000
7000000
8000000
9000000
1e+07
Time--
Abundance TIC: XXXXXXXXXXPROPRANOLOL-7.D
7.70
11.25
XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX
0
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450000
m/z--
Abundance Scan XXXXXXXXXXmin): 05-02-2020group2.D
149
167
57
43 71
279
11383
97 132
XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX

MSDA Print
Li
ary Searched : C:\Database\NIST02.L
Quality : 96
ID : 1-Naphthalenol
XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX
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m/z--
Abundance Scan XXXXXXXXXXmin): XXXXXXXXXXPROPRANOLOL-7.D
144
115
89
63
7239 51
XXXXXXXXXX207
XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX
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m/z--
Abundance #19581: 1-Naphthalenol
144
115
897258
XXXXXXXXXX
OH

MSDA Print
Li
ary Searched : C:\Database\NIST02.L
Quality : 97
ID : Propranolol
XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX
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m/z--
Abundance Scan XXXXXXXXXXmin): XXXXXXXXXXPROPRANOLOL-7.D
72
115
144
XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX
XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX
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m/z--
Abundance #93864: Propranolol
72
30
115
144
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
O
OH
NH
Answered Same Day Feb 07, 2021

Solution

Anju Lata answered on Feb 14 2021
139 Votes
Name______________________ KU ID __________ Date_________
(
At Peak
72- Due to C16 H21 NO2
At 115- M+= C6 H13NO+
At 144- M+= C6H13 NO
At 215- M+= C3H6-H
At 244- M+= CH3
At 259- M+
The two most abundant peaks in spectrum= 72 and 115
)
(
The identified impurity is 1-Naphthalenol
. Two Most abundant peaks
for impurity
are 144 and 115
M
Z

259
----
M/Z 144 -----
M/Z 115
)
(
Possible source for the contaminant may be
(a) Manufacturing
process o

(b) Degradation of the pharmaceutical product
Contaminants may appear in manufactured drugs through the raw...
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