Chemo-Profiling of Illicit Amphetamine Tablets Seized from Jazan, Saudi Arabia, Using Gas Chromatography-Mass Spectrometry and Chemometric Techniques

Table 2

Major constituents found in samples collected from different cities showing their area % values.

Compounds		Amphetamine	N-Formylamphetamine	Methyl diphenylmethyl ether	Caffeine	Lidocaine	3-Eicosene	2-Octyl-1-dodecanol	N,N-Di-(-phenylisopropyl)formamide	1-Dodecanol,2-hexyl	Di-(-phenylisopropyl)amine	Dimenhydrinate	Cycloeicosane
Ahad Al-Masariha	1	38.96	2.63	3.78	14.21	20.16	2.5
	2	36.46	2.68	3.47	13.85	21.14		4.76
	3	31.93		28.63	13			4.95	1.93	1.88
	4	25.3	2.7	8.4	9.3	23.6		4.8		3.8	1.4
	5	33.36		8.99	10.91	18.45	2.54	2.91		2.3	1.77
	6	17.55		23.01	14.23		2.55	3.4	2.03	2.85	1.91	7.23
	7	41.23		6.6	15.6		4.1	3.2	3.1	8.2	1.4	5.2
	8	23.18		20.12	21.27			2.32	1.7	4.07	1.58	4.88
	9	40.43		9.2	15.25	14.67		2.49		2.13
	10	32.03			18.35	8.3	8.36	2.35	1.88	9.98	21.31
Al-Darb	1	30.31		25.81	10.18			1.9	1.75				1.95
	2	37.2			14.66	20		2.76		2.29			1.98
	3	31.66	1.54		13.52	26.1		2.51		2.25			1.995
	4	34.4	2.5	3.45	14.53	21.49		2.43		2.48			1.87
	5	36.71		22.8				3.58		2.58		2.5	2.71
	6	27.19		27.3				5.26		3.05		3.98
	7	16.29		15.81	10.89			8.65	1.8	2.37	2.17	12.62
	8	20.8		28.01	18.9			4.2	1.4	2.5			2.63
	9	31.3	1.7	4.9	19.99			8.4	3.5	6.4	1.9	12.1
	10	35.5		10.14	17.04			4.1	2.6	8.02	3.2	10.11
Jazan	1	39.2			10.82	17.33						7.1
	2	18.4		15.52	14.51				3.1		18.4	10.11
	3	32.9		18.33	17.04	18.37		5.9				6.21
	4	17.3	2.4	22.89	12.26	12.98		3.8	2.8	2.3	21.5	2.05	2.11
	5	36.4		26.43	20.43			7.4	2.4		17.3	3.07	2.9
	6	33.54		21.41	25.71			6.88	2.8		18.4	13.05
	7	38.31		19.05	22.31				2.5	2.05	12.18	3.66	1.69
	8	24.22		17.37	10.6				1.6
	9	22.31	2.1	18.09	13.45			2.31	1.4	1.6	16.4	3.65
	10	26.35	2.9		17.28	16.52			1.9	5.89			1.51