有机化学
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丙氨酸
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全部
Amethyst
J&K
Fluorochem
Accela
Apollo
ChemBridge
Key Organics
Matrix
TCI
TRC
Aldrich
纯度
全部
-
>95%
>97%
>97%%+
>98%
>98%%+
>99%%+
≥95%
≥96.0% (HPLC)
≥96.0% (TLC)
≥96%
≥96% (HPLC)
≥97.0% (HPLC)
≥97.5% (HPLC), purum, ≥97.0% (HPLC)
≥97%
≥98.0%
≥98.0% (DCF)
≥98.0% (HPLC)
≥98.0% (NT)
≥98.0% (TLC)
≥98.5% (HPLC)
≥98.5%, FCC
≥98%
≥99.0% (AT)
≥99.0% (calc. based on dry substance, NT), ~1?mol/mol water
≥99.0% (HPLC)
≥99.0% (sum of enantiomers, HPLC)
≥99.0% (TLC)
≥99.0% (TLC), ~1?mol/mol water
≥99%
≥99%, FCC
90.0%(QNMR)
95.0%(LC)
95%
95%%+
95+%
95+%%+
96.0%(GC)
96.0%(LC&T)
96.0%(T)
96%
96%%+
97.0%(GC)
97.0%(LC)
97.0%(LC&T)
97.0%(N)
97.0%(N&T)
97.0%(T)
97.00%%+
97%
97%%+
98 atom % 15N
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&T)
98.0%(T)
98.0%(T&LC)
98.00%%+
98.5%
98.5%(T)
98%
98%%+
99 atom % 13C
99 atom % 13C, 98 atom % 15N, 97% (CP)
99.0%(LC)
99.0%(LC&T)
99.0%(N)
99.0%(T)
99.00%%+
99%
99%%+
extent of labeling: 0.4-0.8?mmol/g loading
N/A
purum, ≥95.0% (HPLC)
purum, ≥96.0% (HPLC)
purum, ≥98.0% (HPLC)
ReagentPlus?, 99%
规格
全部
0.1g
0.25g
1000g
100g
100mg
10g
10kg
10mg
1g
1kg
1sample
2.5g
2.5kg
2.5mg
200mg
200umol
20g
20mg
250g
250mg
25g
25mg
2g
2kg
500g
500mg
50g
50mg
5g
5kg
5mg
700mg
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纯度
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