GCMS analysis results for sample AE00472, Feb 26 2002

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Library Search Compound Kepoi L

•Data File : C:\MSDCHEM\l\5973N\02FEB07\00472A.D Vial: 3 Acq On : 7 Feb 2002 12:42 pm Operator: Sample : 508 scan re-ext. Inst : Instrumen Mise : February 7, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\HP020702.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 2 ISOBUTYRALDEHYDE, DIMETHYLA... Concentration Rank 13

R.T. EstConc Area Relative to ISTD R.T.

3.93 0.07 ug/L 30261 1,4-Dichlorobenzene-d4 9.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H1402 000000-00-0 64 2 ISOBUTYRALDEHYDE, DIMETHYLACETAL... 118 C6H1402 000000-00-0 64 3 Propane, 1,l-dimethoxy-2-methyl - 118 C6H1402 041632-89-7 64 4 Propane, 1,l-dimethoxy-2-methyl-... 118 C6H14O2 041632-89-7 9 Abundance Scan 49 (3.933 min): 00472A.D (-) m/z 75.10 100.00% 75

5000 87 55 47 -A 3.60 3.80 4.00 420

m/z-> 5 ob 41L 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 T 84, m/ z i87.10 36.68%

Abundance #17848: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1 1-Dimethoxyi... | 75

5000 87 360 3.80 4.00 4.20 15 55 m/z 55.10 25.42% 47 59 71 0b 1 ■ 111 mPTT InsniT" Pummaor n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17849: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1,1-Dimethoxyi .. 75 3.60 3.80 4.00 4.20 5000 m/z 47.10 14.84% 87 55

Ob 1'1" 111111 29 41 TTTTT H47 59 71 " " I n 10” r' rrtir —pmp ■■l»■ ■ r, r. n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #17846: Propane, 1,1-dimethoxy-2-methyl- TTT 75 3.60 3.80 4.00 4.20 m/z 45.10 9.10%

5000 87 55 3159 71 22 47 m/z-> . .ph — 0b ■■i1" •i■"' i ■■1 ■ i'1 ■■ i * ’' lpuaaszuungur HTITIIH 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 "I T"' 3.60 3.80 4.00 4.20 T

00472A.D HP020702.M Thu Feb 21 09:57:54 2002 Page 4

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