61-90-5
L8912
98.5-101.0%, suitable for cell culture, non-animal source, meets EP, JP, USP testing specifications
L8000
≥98% (HPLC), suitable for ligand binding assays
61819
≥99.5% (NT), suitable for NMR, BioUltra
PHR1105
Pharmaceutical Secondary Standard; Certified Reference Material
W329703
99%, FG
1357001
United States Pharmacopeia (USP) Reference Standard
1.05360
for biochemistry
76526
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
1.05020
EMPROVE® EXPERT, Ph. Eur., ChP, JP, USP
Leucine
- CAS No.:
- 61-90-5
- Molecular Weight:
- 131.17
- Beilstein No.:
- 1721722
L0375000
European Pharmacopoeia (EP) Reference Standard
(S)-(+)-Leucine
8.16009
for synthesis
L-Leucine-(isopropyl-d7)
- Molecular Weight:
- 138.22
615986
98 atom % D
L-Leucine-2,3,3,4,5,5,5,5′,5′,5′-d10
492949
98 atom % D
L-Leucine-1,2-13C2
604909
endotoxin tested, 99 atom % 13C
L-Leucine-2-13C
486817
99 atom % 13C
L-Leucine-4-d1
- Molecular Weight:
- 132.18
615978
99 atom % D
L-Leucine-13C, d7 (2,3,3,4,5,5,5-d7, pro-R-methyl-13C)
- Molecular Weight:
- 139.21
900908
≥97 atom % 13C, ≥95 atom % D, ≥95% (CP), optical purity≥98% (at α-carbon)
L-Leucine-13C6,d10
- Molecular Weight:
- 147.19
607940
98 atom % D, 99 atom % 13C
L-Leucine-3-d1
- Molecular Weight:
- 132.18
616079
99 atom % D, 99% (CP)
L-Leucine-2-d
- Molecular Weight:
- 132.18
704504
97 atom % D, 98% (CP)
L-Leucine-13C,d7,15N (2,3,3,4,5,5,5-d7, pro-S-methyl-13C)
- Molecular Weight:
- 140.20
900792
≥97 atom % 13C, ≥95 atom % D, ≥95 atom % 15N, ≥95% (CP), optical purity≥95 (at α-carbon)
Amino acid standards for fluorescence detection
A2161
analytical standard