有机化学
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Accela
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TCI
TRC
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Key Organics
Matrix
Maybridge
Rieke Metals
Aldrich
纯度
全部
>90%
>95
>95%
>96%
>97.0%(GC)
>97%
>98%
>99%
~18 wt. % in solution
≥90% (VPCC)
≥94%
≥94% (HPLC)
≥95.0%
≥95.0% (GC)
≥95.0% (HPLC)
≥95.0% (S)
≥95%
≥95% (HPLC)
≥96.0%
≥96%
≥96%, FG
≥97.0% (GC)
≥97.0% (HPLC)
≥97.0% (S)
≥97.0% (T)
≥97%
≥97%, stabilized, FG
≥98.0%
≥98.0% (GC)
≥98.0% (HPLC)
≥98.5%
≥98%
≥98%, ≤20 wt. % solvent
≥98%, FCC, FG
≥98%, FG
≥98%, stabilized, FCC, FG
≥99.0%
≥99.0% (C)
≥99.0% (GC)
≥99.0% (HPLC)
≥99.0% (sum of enantiomers, GC)
≥99.0% (sum of enantiomers, HPLC)
≥99.5%
≥99.5%, NMR grade
≥99%
≥99%, FCC, FG
≥99%, FG
0.25 M slurry in THF
0.5 M in THF
10%±2% in toluene, ≥98% (HPLC)
100 μg/mL in MeOH
11 wt. %±5 wt. % in NMP/aromatic hydrocarbons (80%/20% solvent ratio)
12.0 wt. %±0.5 wt. % (80% NMP/20% xylene)
12.8 wt. % (80% NMP/20% aromatic hydrocarbon)
15.0 wt. %±5 wt. % in NMP/aromatic hydrocarbons (80%/20% solvent ratio)
15.0-16.0 wt. % in NMP
18 mM in acetone, for chiral derivatization
250, for microscopy
40-63 μm, extent of labeling: 0.5-1.0 mmol/g loading
50.0%(GC)
50%
55.0%(LC)
6%
60.0%(NMR)
60%
60% meta, 40% para and 1% ortho, 99%, contains ~50 ppm 4-tert-butylcatechol as i
65.0%(LC)
70 wt. % in isopropanol
70.0%(GC)
70.0%(N)
70.0%(T)
70%
75.0%(GC)
75%
8
80.0%(GC)
80.0%(LC)
80.0%(T)
80%
85.0%(GC)
85.0%(LC)
85.0%(LC&T)
85.0%(T)
85%
85+%
87.0%(GC)
88.0%(GC)
88%
90
90.0%(GC)
90.0%(LC)
90.0%(LC&N)
90.0%(LC&T)
90.0%(N)
90.0%(T)
90%
90+%
92.0%(GC)
92.0%(LC)
92.0%(N)
92.5%
92%
92+%
93.0%(GC)
93.0%(GC&T)
93.0%(LC)
93.0%(LC&T)
93.0%(T)
93%
94.0%(GC)
94.0%(T)
94%
94+%
95
95.0%(GC)
95.0%(GC&T)
95.0%(LC)
95.0%(LC&T)
95.0%(N)
95.0%(N&LC)
95.0%(N&T)
95.0%(T)
95.0%(T&LC)
95%
95%+
95+%
96.0%(GC)
96.0%(GC&N)
96.0%(GC&T)
96.0%(LC)
96.0%(LC&T)
96.0%(N)
96.0%(T)
96.0%(T&LC)
96.5%
96%
96%, contains 200-300 ppm monomethyl ether hydroquinone as inhibitor
96%, contains 3,5-di-tert-butylcatechol as inhibitor
96+%
97.0%
97.0%(GC)
97.0%(GC&N)
97.0%(GC&T)
97.0%(LC)
97.0%(LC&N)
97.0%(LC&N&T)
97.0%(LC&T)
97.0%(N)
97.0%(N&GC)
97.0%(N&LC)
97.0%(T)
97.0%(T&GC)
97.0%(T&LC)
97.5%
97%
97% (mixture of cis and trans), (Z)-Benzaldehyde oxime ≤6%
97% anhydrous basis
97%, contains 3% Copper Shot (CAS 7440-50-8) as stabilizer
97%, contains 500 ppm 4-tert-butylcatechol as inhibitor
97%, optical purity ee: 97% (GLC)
97+%
98 atom % D
98.0%
98.0%(GC)
98.0%(GC&N)
98.0%(GC&T)
98.0%(LC)
98.0%(LC&N)
98.0%(LC&NMR)
98.0%(LC&QNMR)
98.0%(LC&T)
98.0%(N)
98.0%(N&GC)
98.0%(N&LC)
98.0%(N&T)
98.0%(QNMR)
98.0%(T)
98.0%(T&GC)
98.0%(T&LC)
98.0%(T&QNMR)
98.5%
98.5%(GC)
98%
98% (CP)
98%, optical purity ee: 98% (GC)
98+%
99.0%(GC)
99.0%(GC&LC)
99.0%(GC&T)
99.0%(LC)
99.0%(LC&N)
99.0%(LC&T)
99.0%(QNMR)
99.0%(T)
99.0%(T&GC)
99.0%(T&LC)
99.5%
99.5%(GC)
99.7%
99.8%
99.8%(GC)
99%
99%, contains 15 ppm p-tert-butylcatechol as inhibitor
99%, contains 200 ppm 4-tert-butylcatechol as inhibitor
99%, FG
AldrichCPR
anhydrous, 99%
average Mw ~10,000
average Mw ~100,000
average Mw ~20,000
average Mw ~30,000, powder
average Mw ~5,000
average Mw ~50,000
average Mw ~65,000
composite (20 wt.% polyaniline on carbon black)
contains 50-100 ppm tert-butylcatechol as stabilizer, technical grade, ≥90%
contains 500 ppm tert-Butylcatechol as stabilizer, 98%
Dye content 80 %
Dye content 85 %
Dye content 95 %
FCC, FG
for fluorescence, ≥99%
in 2-ethoxyethyl ether
indicator grade
liquid crystal (nematic), 96%
liquid crystal (nematic), 98%
liquid crystal (nematic), 99%
min. 95%
min. 97%
min. 98%
mixture of isomers
mixture of isomers, ≥95%
N/A
Namena purity
natural, ≥95%, FG
natural, ≥97%, FCC, FG
natural, FG
neat
NMR reference standard, 0.05% in benzene-d6 (99.6 atom % D)
NMR reference standard, 0.05% in benzene-d6 (99.6 atom % D), NMR tube size 3 mm
NMR reference standard, 0.1% in chloroform-d (99.8 atom % D), TMS 0.01 %, NMR tu
NMR reference standard, 0.1% in chloroform-d (99.8 atom % D), TMS 0.1 %
NMR reference standard, 1% in chloroform-d (99.8 atom % D)
NMR reference standard, 10% in chloroform-d (99.8 atom % D)
NMR reference standard, 5% in acetone-d6 (99.9 atom % D), NMR tube size 5 mm × 8
powder
purified by redistillation, ≥99.5%
purified by sublimation, ≥99.9%
purified by sublimation, ≥99%
purified by sublimation, 99%
puriss., ≥99.0% (GC)
reagent grade, 98%
ReagentPlus?, 99%
Sample
sublimed grade, ≥99.5%
sublimed grade, ≥99.9% trace metals basis
sublimed grade, ≥99%
sublimed grade, 99.99% trace metals basis
sublimed grade, 99%
tech
Tech
tech. 80%
Tech. 90%
technical
technical grade
technical grade, 80%
technical grade, 85%
technical grade, 90%
technical grade, 92%
technical grade, 95%
technical, ~85% (T)
technical, ≥90% (T)
technical, ≥95% (NT)
technical, 0.5-1.5 M in diethylene glycol diethyl ether
triple-sublimed grade, ≥99.995% trace metals basis
zone-refined, purified by sublimation, ≥99.95%
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