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Analytical & Isotopically Labeled Standards

Analytical standards & isotopically labeled substances

Thanks to practically identical chemical properties, isotope-labeled substances serve as ideal internal standards to determine the specifications of chemicals. Either by enrichment using 13C or via deuterium labeling, target molecules are equipped with a certain, fixed number of isotopes, which causes a change in physical properties while the chemical properties remain virtually unchanged. Especially for mass spectrometry applications, the use of an internal standard is an essential improvement and quality assurance measures of any given analysis.

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  1. L-Tryptophan-d8, CAS 1233395-93-1
    L-Tryptophan-d8, CAS 1233395-93-1
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    Sku MEXHY-N0623S5-1
    Manufact. SkuHY-N0623S5-1
    Packaging Unit1 mg
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  2. L-Tryptophan-13C11,15N2, CAS 202406-50-6
    L-Tryptophan-13C11,15N2, CAS 202406-50-6
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    Sku MEXHY-N0623S4-5
    Manufact. SkuHY-N0623S4-5
    Packaging Unit5mg
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  3. L-Tryptophan-13C11,15N2, CAS 202406-50-6
    L-Tryptophan-13C11,15N2, CAS 202406-50-6
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    Sku MEXHY-N0623S4-1
    Manufact. SkuHY-N0623S4-1
    Packaging Unit1mg
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  4. L-Tryptophan-1-13C, CAS 81201-92-5
    L-Tryptophan-1-13C, CAS 81201-92-5
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    Sku MEXHY-N0623S3-1
    Manufact. SkuHY-N0623S3-1
    Packaging Unit1 mg
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  5. L-Tryptophan-13C11, CAS 202114-65-6
    L-Tryptophan-13C11, CAS 202114-65-6
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    Sku MEXHY-N0623S2-5
    Manufact. SkuHY-N0623S2-5
    Packaging Unit5 mg
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  6. L-Tryptophan-13C11, CAS 202114-65-6
    L-Tryptophan-13C11, CAS 202114-65-6
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    Sku MEXHY-N0623S2-10
    Manufact. SkuHY-N0623S2-10
    Packaging Unit10 mg
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  7. L-Tryptophan-13C11, CAS 202114-65-6
    L-Tryptophan-13C11, CAS 202114-65-6
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    Sku MEXHY-N0623S2-1
    Manufact. SkuHY-N0623S2-1
    Packaging Unit1 mg
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  8. L-Phenylalanine,Indole-15N, CAS 84344-22-9
    L-Phenylalanine,Indole-15N, CAS 84344-22-9
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    Sku MEXHY-N0623S10-0
    Manufact. SkuHY-N0623S10-0
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  9. L-Tryptophan-13C, CAS 115709-68-7
    L-Tryptophan-13C, CAS 115709-68-7
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    Sku MEXHY-N0623S1-5
    Manufact. SkuHY-N0623S1-5
    Packaging Unit5 mg
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  10. L-Tryptophan-d5, CAS 62595-11-3
    L-Tryptophan-d5, CAS 62595-11-3
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    Sku MEXHY-N0623S-5
    Manufact. SkuHY-N0623S-5
    Packaging Unit5 mg
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