Skip to Content
Merck
Search Within
Product Category
Brand
Biological Source
Color
Feature
Formula Weight
Melting Point (°C)
Physical Form
Product Line
Purity
Agency
Format
Analyte Suitability
Quality Segment
Isotope
Application
Optical Isomer
Amino Acid
Reference Material Type
Special Grade
Technique
Available for Sale

73-32-5

Applied Filters:
Keyword:'73-32-5'
Showing 1-6 of 6 results for "73-32-5" within Products
All Photos(13)

Synonym(s): (2S,3S)-2-Amino-3-methylpentanoic acid, L-Isoleucine
Linear Formula: C2H5CH(CH3)CH(NH2)CO2H
CAS No.:
73-32-5
Molecular Weight:
131.17
EC No.:
200-798-2
Beilstein No.:
1721792
  • I7403

    98.5-101.0%, suitable for cell culture, BioXtra, non-animal source

  • I5281

  • 1.05357

    EMPROVE® EXPERT, Ph. Eur., JP, USP

  • 58879

    ≥99.5% (TLC), BioUltra

  • 4160

    An essential branched chain amino acid.

  • 1.05362

    for biochemistry

  • I2752

    ≥98% (HPLC)

  • W527602

    99%, FCC, FG

  • PHR1099

    Pharmaceutical Secondary Standard; Certified Reference Material

  • 56241

    certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

All Photos(2)

(S)-(+)-Isoleucine

Synonym(s): (S)-(+)-Isoleucine
Empirical Formula (Hill Notation): C6H13NO2
CAS No.:
73-32-5
Molecular Weight:
131.17
All Photos(1)

Isoleucine

Synonym(s): L-Isoleucine, (2S,3S)-2-Amino-3-methylpentanoic acid
Linear Formula: C2H5CH(CH3)CH(NH2)CO2H
CAS No.:
73-32-5
Molecular Weight:
131.17
Beilstein No.:
1721792
  • I0460000

    European Pharmacopoeia (EP) Reference Standard

All Photos(1)

L-Isoleucine-13C6

Linear Formula: 13C2H513CH(13CH3)13CH(NH2)13CO2H
CAS No.:
201740-82-1
Molecular Weight:
137.13
  • 604798

    ≥99 atom % 13C, ≥98% (CP)

All Photos(1)

L-Isoleucine-13C,d7 (2,3,4,4-d4-3-methyl-d3, 5-13C)

Empirical Formula (Hill Notation): 13CC5D7H6NO2
Molecular Weight:
139.21
  • 900911

    ≥95 atom % D, ≥97 atom % 13C, ≥95% (CP), optical purity≥98% (at α-carbon)

All Photos(1)

Amino acid standards for fluorescence detection

  • A2161

    analytical standard

Page 1 of 1