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MilliporeSigma

L-Proline, BioUltra, =99.5% (NT)

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Synonym: (S)-Pyrrolidine-2-carboxylic acid

CAS Number: 147-85-3

Empirical Formula (Hill Notation): C5H9NO2

Molecular Weight: 115.13

Beilstein Registry Number: 808.10

EC Number: 205-702-2

MDL Number: MFCD00064318

PubChem Substance ID: 24887885

Other Notes
Protects enzymes against heat inactivation1; Growth requirement of various microorganisms2

Product line: BioUltra

Assay: ≥99.5% (NT)

Optical activity: [α]20/D −85.0±1.0°, c = 5% in H2O

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

Ign. residue: ≤0.1%

Loss: ≤0.1% loss on drying, 20 °C (HV)

pH: 6.0-7.0 (25 °C, 1 M in H2O)

MP: 228 °C (dec.)(lit.)

Solubility: H2O: soluble1 M at 20 °C, clear, colorless

Anion traces: chloride (Cl-): ≤100 mg/kg; sulfate (SO42-): ≤100 mg/kg

Cation tracesAl: ≤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+: ≤20 mg/kg
 Na: ≤50 mg/kg
 Ni: ≤5 mg/kg
 Pb: ≤5 mg/kg
 Sr: ≤5 mg/kg
 Zn: ≤5 mg/kg

λ: 1 M in H2O

UV absorption: λ: 260 nm Amax: 0.05; λ: 280 nm Amax: 0.05

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Product Detail
Thomas No.
C979V10
Mfr. No.
81709-10G
Description
L-Proline, BioUltra, 10 g
list price/quantitytotal
$0.00
Thomas No.
C979V11
Mfr. No.
81709-25G
Description
L-Proline, BioUltra, 25 g
list price/quantitytotal
$0.00
Thomas No.
C979V12
Mfr. No.
81709-100G
Description
L-Proline, BioUltra, 100 g
list price/quantitytotal
$0.00
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