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61819

L-Leucine

≥99.5% (NT), suitable for NMR, BioUltra

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Synonym(s):

(S)-2-Amino-4-methylpentanoic acid

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25 g

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$86.60
100 g

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$291.00

About This Item

Linear Formula:
(CH3)2CHCH2CH(NH2)CO2H
CAS Number:
Molecular Weight:
131.17
NACRES:
NA.26
PubChem Substance ID:
eCl@ss:
32160406
UNSPSC Code:
12352209
EC Number:
200-522-0
MDL number:
Beilstein/REAXYS Number:
1721722

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Product Name

L-Leucine, BioUltra, ≥99.5% (NT)

product line

BioUltra

Quality Segment

assay

≥99.5% (NT)

form

powder or crystals

optical activity

[α]20/D +15.5±0.5°, c = 5% in 5 M HCl

technique(s)

NMR: suitable

impurities

insoluble matter, passes filter test, ≤0.3% foreign amino acids

ign. residue

≤0.1%

loss

≤0.1% loss on drying, 20 °C (HV)

color

white

mp

>300 °C (lit.)

solubility

1 M HCl: 0.1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤200 mg/kg, sulfate (SO42-): ≤100 mg/kg

cation traces

Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, NH4+: ≤100 mg/kg, Na: ≤100 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

λ

0.1 M in 1 M HCl

UV absorption

λ: 260 nm Amax: 0.05, λ: 280 nm Amax: 0.05

SMILES string

CC(C)C[C@H](N)C(O)=O

InChI

1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1

InChI key

ROHFNLRQFUQHCH-YFKPBYRVSA-N

Other Notes

As spacer in isotachophoresis of serum proteins; Growth requirement of various microorganisms

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This Item
L8912PMB3004L0375000
Leucine European Pharmacopoeia (EP) Reference Standard

L0375000

Leucine

description

BioUltra, ≥99.5% (NT)

description

from non-animal source, meets EP, JP, USP testing specifications, suitable for cell culture, 98.5-101.0%

description

98.5-101%, ISOM8, suitable for cell culture, from non-animal source

description

European Pharmacopoeia (EP) Reference Standard

form

powder or crystals

form

powder

form

crystalline powder

form

-

technique(s)

NMR: suitable

technique(s)

cell culture | mammalian: suitable

technique(s)

cell culture | mammalian: suitable

technique(s)

-

assay

≥99.5% (NT)

assay

98.5-101.0%

assay

98.5-101%

assay

-

product line

BioUltra

product line

-

product line

ISOM8

product line

-

cation traces

Sr: ≤5 mg/kg, Cd: ≤5 mg/kg, Li: ≤5 mg/kg, Mn: ≤5 mg/kg, Mg: ≤5 mg/kg, Zn: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Pb: ≤5 mg/kg, Cu: ≤5 mg/kg, K: ≤50 mg/kg, Al: ≤5 mg/kg, Ca: ≤10 mg/kg, NH4+: ≤100 mg/kg, Mo: ≤5 mg/kg, Cr: ≤5 mg/kg, Na: ≤100 mg/kg, Bi: ≤5 mg/kg, Ni: ≤5 mg/kg, Fe: ≤5 mg/kg, Co: ≤5 mg/kg

cation traces

NH4+: <0.02%, Fe: ≤10 ppm, heavy metals: ≤10 ppm, As: ≤1 ppm

cation traces

-

cation traces

-

Quality Level

200

Quality Level

300

Quality Level

400

Quality Level

-


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Storage Class

11 - Combustible Solids

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Eyeshields, Gloves, type N95 (US)



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