有机化学
分类
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品牌
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Amethyst
J&K
Fluorochem-B
Frontier
Strem
Accela
Apollo
TCI
ChemBridge
Chiron
Daicel(大赛璐)
Key Organics
Matrix
Maybridge
Rieke Metals
Aldrich
纯度
全部
(99.9 %-Bi)
> 98%
>85%
>90%
>91%
>94%
>95
>95%
>95%, FCC, FG
>96%
>97%
>97% (HPLC)
>97%, FG
>98.0%(HPLC)
>98%
>99.5%
>99.9%
>99%
~25% in ethanol (NMR)
~25% in toluene (NMR)
~30% in methylene chloride (NMR)
~90%
~95%
≥90%
≥92%
≥92%, FCC
≥94% (oligomer purity)
≥95.0%
≥95.0% (CHN)
≥95.0% (GC)
≥95.0% (T)
≥95%
≥95% (GC)
≥95% (HPLC), ≥98% (T)
≥95%, FCC, FG
≥95%, FG
≥96.0%
≥96%
≥96%, FG
≥97.0%
≥97.0% (GC)
≥97.0% (HPLC)
≥97.0% (N)
≥97.0% (NT)
≥97.0% (T)
≥97%
≥97%, contains ~60 ppm monomethyl ether hydroquinone as inhibitor
≥97%, FCC, FG
≥97%, FG
≥97%, stabilized, FG
≥98.0%
≥98.0% (AT)
≥98.0% (GC)
≥98.0% (HPLC)
≥98.0% (sum of enantiomers, GC)
≥98.0% (TLC)
≥98.5%
≥98%
≥98%, deposition grade
≥98%, FCC, FG
≥98%, FG
≥98%, stabilized, FCC, FG
≥98%, stabilized, FG
≥99.0%
≥99.0% (anhydrous basis material, AT)
≥99.0% (AT)
≥99.0% (GC)
≥99.0% (HPLC)
≥99.0% (sum of enantiomers, GC)
≥99.0% (sum of enantiomers, TLC)
≥99.0% (T)
≥99.7%
≥99%
≥99% (GC), liquid
≥99%, contains ≤50 ppm monomethyl ether hydroquinone as inhibitor
≥99%, contains 10-20 ppm monomethyl ether hydroquinone as inhibitor
≥99%, FCC, FG
≥99%, FG
0.97
1.0 M in THF
1.0 M in toluene
100-200 mesh, extent of labeling: 1.0-1.5 mmol/g loading, 1 % cross-linked with
100%
1000μg/mL
18 mM in acetone, for chiral derivatization
2 M in methylene chloride
40.0%(GC)
50 wt. % in odorless mineral spirits
50.0%(GC)
55.0%(GC)
55%
60.0%(GC)
60%
65.0%(GC)
70.0%(GC)
70.0%(LC)
70%
70%+
74.0%(GC)
75.0%(GC)
75%
75%, technical grade
75+%
80.0%(GC)
80%
83.0%(GC)
84%
85.0%(GC)
85.0%(NMR)
85%
85%, technical grade
88.0%(GC)
88%
89.0%(GC)
90 wt. % in denatured ethanol
90.0%(GC)
90.0%(GC&T)
90.0%(LC)
90.0%(T)
90%
90%, technical grade
90%+
90+%
91%
92.0%(GC)
92.0%(LC)
92%
92%, contains 100 ppm BHT as inhibitor
93.0%(GC)
93.0%(GC&T)
93.0%(T)
93%
94.0%(GC)
94%
95
95.0%
95.0%(GC)
95.0%(GC&T)
95.0%(LC)
95.0%(LC&N)
95.0%(LC&T)
95.0%(N)
95.0%(N&T)
95.0%(T)
95.0%(W)
95%
95% (NMR), contains Ionol? 46 (Raschig GmbH) as inhibitor
95%, contains 25 ppm monomethyl ether hydroquinone as inhibitor
95%, contains BHT as stabilizer
95%+
95+%
96.0%(GC)
96.0%(GC&T)
96.0%(LC)
96.0%(LC&T)
96.0%(N)
96.0%(N&T)
96.0%(T)
96%
96% (NT)
96%, contains monomethyl ether hydroquinone as inhibitor
96+%
97.0%
97.0%(GC)
97.0%(GC&T)
97.0%(LC)
97.0%(LC&N)
97.0%(LC&QNMR)
97.0%(LC&T)
97.0%(N)
97.0%(N&T)
97.0%(T)
97.5%
97%
97% (HPLC)
97%, contains ~100 ppm monomethyl ether hydroquinone as inhibitor
97%, contains ~1000 ppm monomethyl ether hydroquinone (MEHQ) as inhibitor
97%, contains 100 ppm 4-tert-butylcatechol as inhibitor
97%, contains 200 ppm monomethyl ether hydroquinone as inhibitor
97+%
98 atom % D
98.0%
98.0%()
98.0%(GC)
98.0%(GC&N)
98.0%(GC&T)
98.0%(LC)
98.0%(LC&N)
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)
98.5%
98.5%(GC)
98.5%(T)
98.8%
98%
98% (HPLC)
98%, contains 100 ppm hydroquinone as inhibitor
98%, contains 200 ppm monomethyl ether hydroquinone as inhibitor
98%, contains 90-110 ppm monomethyl ether hydroquinone as inhibitor
98%, optical purity ee: 96% (GLC)
98+%
99 atom % 13C, 98% (CP)
99.0%
99.0%(GC)
99.0%(GC&T)
99.0%(LC)
99.0%(LC&T)
99.0%(T)
99.5%
99.5%(GC)
99.5%(LC)
99.8%
99.8%(GC)
99.9%
99.999% trace metals basis
99%
99% (GC)
99% (HPLC)
99%, contains ≤100 ppm monomethyl ether hydroquinone as inhibitor
99%, contains monomethyl ether hydroquinone as inhibitor
99%, FCC, FG
99%, FG
99%, optical purity ee: 99% (GLC)
99%, stabilized
AldrichCPR
anhydrous, ≥99%
anhydrous, n=0-3, average MW~170
antioxidant, ≥96.0% (HPLC)
antioxidant, ≥99.0% (HPLC)
Arxada quality, ≥91.0% (GC)
Arxada quality, ≥97.0% (GC)
Arxada quality, ≥98% (GC)
Arxada quality, ≥99.0% (GC)
Arxada quality, ≥99% (GC)
average Mn ~12,000
average Mn ~15,000 by GPC, powder
average Mn ~30,000
average Mn ~426
average Mn ~5,300
average Mn ~50,000 by GPC
average Mn ~644
average Mn ~70,000
average Mn ~75,000 by GPC, powder
average Mn ~797
average Mn 45,000
average Mn 5,000
average Mn 670
contains <100 ppm monomethyl ether hydroquinone as inhibitor, 98%
contains <2,000 ppm MEHQ as inhibitor, 98%
contains ~200 ppm MEHQ, 97%
contains ~500 ppm phenothiazine as stabilizer, 90%
contains ≤30 ppm MEHQ as inhibitor, 99%
contains ≤650 ppm MEHQ as inhibitor
contains ≥13 wt. % dichloromethane
contains 10-20 ppm MEHQ as inhibitor, 99%
contains 10-20 ppm monomethyl ether hydroquinone as inhibitor, 98%
contains 100 ppm hydroquinone as inhibitor, ≥90%
contains 100 ppm MEHQ as inhibitor, 98%
contains 150-250 ppm MEHQ as inhibitor, 95%
contains 200 ppm hydroquinone monomethyl ether as inhibitor, 95%
contains 250 ppm monomethyl ether hydroquinone as inhibitor
contains 350 ppm monomethyl ether hydroquinone as inhibitor
contains 50-100 ppm MEHQ as inhibitor, 98%
contains 50-200 ppm MEHQ as inhibitor, 99%
contains 500 ppm hydroquinone as inhibitor, 500 ppm monomethyl ether hydroquinon
contains 700 ppm monomethyl ether hydroquinone as inhibitor
contains 700-1000 ppm monomethyl ether hydroquinone, 90%
contains 75 ppm HQ as inhibitor, 900 ppm MEHQ as inhibitor, 97%
contains 75-125 ppm hydroquinone as inhibitor, 0-120 ppm hydroquinone monomethyl
contains 900-1100 ppm MEHQ as inhibitor
contains inhibitor, 97%
contains MEHQ as inhibitor
contains MEHQ as inhibitor, 93%
ester content ≥99 % (mixture of C9 isomers), technical grade
FG
for microscopy
L-lactide 70 %, average Mn ~50,000 by GPC
liquid
MCM-41 (hexagonal)
min. 97%
mixture of isomers
mixture of isomers, ≥95%
Mixture of stearyl and cetyl methacrylates, contains MEHQ as inhibitor
N/A
nanopowder, <25 nm particle size (BET), 98.5% trace metals basis
natural, ≥95%, FG
natural, ≥97%, FCC, FG
natural, ≥98%, FCC, FG
natural, ≥98%, FG
natural, FG
natural, mixture of enantiomers, ≥98%, FCC, FG
optical purity ee: 94% (GLC), 97%
optical purity ee: 97% (GLC)
optical purity ee: 99% (GLC), 98%
PO/phenol 1
powder
purified by sublimation, 99.999% trace metals basis
reagent grade, 98%
ReagentPlus?, ≥99%
ReagentPlus?, 99%
Standard form, O.D. 40 mm
tech
Tech.
tech. 70%
tech. 90%
Tech. 90%
tech. 93%
technical
technical grade
technical grade, ≥90%
technical grade, 75%
technical grade, 90%
technical grade, 93%
technical grade, 95%
technical grade, contains ~75 ppm hydroquinone as inhibitor
technical grade, contains 1000 ppm monomethyl ether hydroquinone as inhibitor
technical grade, contains 200 ppm monomethyl ether hydroquinone as inhibitor
technical, ≥80% (T)
technical, ≥85% (GC)
technical, ≥90% (GC)
technical, 40-60% (GC)
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