有机化学
分类
全部
芳烃
品牌
全部
Amethyst
J&K
1-Material
AccuStandard
Fluorochem-B
Frontier
Strem
Accela
Apollo
SERVA
TCI
TRC
ChemBridge
Chiron
Key Organics
Matrix
Maybridge
Rieke Metals
Aldrich
纯度
全部
>90%
>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)
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)
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)
90.0%(GC)
90.0%(LC)
90.0%(LC&N)
90.0%(LC&T)
90.0%(N)
90.0%(T)
90%
92.0%(GC)
92.0%(LC)
92.0%(N)
92.5%
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%
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
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%(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%
规格
全部
0.1g
0.1ml
0.25g
0.5g
10000g
10000ml
1000g
100g
100g
100mg
100ml
10g
10kg
10l
10mg
10ml
15ml
18l
1ea
1g
1kg
1l
1mg
1ml
1pkg
2.5g
2.5kg
2.5l
200mg
200umol
20g
20l
20mg
2500g
2500ml
250g
250mg
250ml
25g
25kg
25mg
25ml
2g
2kg
2l
3kg
4l
5000g
500g
500g
500mg
500ml
50g
50mg
50ml
5g
5kg
5l
5mg
5ml
800ml
排序
默认
价格
纯度
现货
10000个产品