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Color Standards

Browse our curated selection of Color Standards from leading global manufacturers. Find research-grade reagents, certified standards, and specialty supplies backed by Cenmed's expert sourcing and technical support.

  
  • (1r,2r)-boc-1,2-diaminocyclopentane ; >/= 99% (tlc), 250 mg
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    285715-250MG

    (1R,2R)-Boc-1,2-diaminocyclopentane ; >/= 99% (TLC), 250 mg

    Price: $2,047.75
    List Price: $2,275.28
    Purity Limit: &ge 99% (TLC) CAS No.: 1016971-66-6 Molecular Formula: C10H20N2O2 Molecular Weight: 200.
    SKU285715-250MG
    MFR. NameAFG BIOSCIENCE
    Catalog No. C003B-318713
    Pack Size 1 EA
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    Price: $2,047.75
    List Price: $2,275.28
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  • (1s,2s)-boc-1,2-diaminocyclopentane ; >/= 99% (tlc), 250 mg
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    174879-250MG

    (1S,2S)-Boc-1,2-diaminocyclopentane ; >/= 99% (TLC), 250 mg

    Price: $1,112.69
    List Price: $1,236.32
    Purity Limit: &ge 99% (TLC) CAS No.: 586961-34-4 Molecular Formula: C10H20N2O2 Molecular Weight: 200.28 MDL No.: MFCD11040590 Appearance: White powder Optical Rotation: [a]D20 = +20 ± 2o (C=0.5 in MeOH) Storage Temperature: Store at 0-8 °C
    SKU174879-250MG
    MFR. NameAFG BIOSCIENCE
    Catalog No. C003B-300418
    Pack Size 1 EA
    Price:
    Price: $1,112.69
    List Price: $1,236.32
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  • (2r,5s)-2-trichloromethyl-3-oxa-1-azabicyclo[3 3 0]octan-4-one ; >/= 97%, 1 g
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    299458-1G

    (2R,5S)-2-Trichloromethyl-3-oxa-1-azabicyclo[3 3 0]octan-4-one ; >/= 97%, 1 g

    Price: $234.53
    List Price: $260.59
    Synonyms: (3R)-Trichloromethyl-cis-tetrahydropyrrolo[1,2-c]oxazol-1-one Purity Limit: &ge 97% CAS No.: 97538-67-5 Molecular Formula: C7H8Cl3NO2 Molecular Weight: 244.
    SKU299458-1G
    MFR. NameAFG BIOSCIENCE
    Catalog No. C003B-283263
    Pack Size 1 EA
    Price:
    Price: $234.53
    List Price: $260.59
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  • (2r,5s)-2-trichloromethyl-3-oxa-1-azabicyclo[3 3 0]octan-4-one ; >/= 97%, 5 g
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    299458-5G

    (2R,5S)-2-Trichloromethyl-3-oxa-1-azabicyclo[3 3 0]octan-4-one ; >/= 97%, 5 g

    Price: $734.22
    List Price: $815.80
    Synonyms: (3R)-Trichloromethyl-cis-tetrahydropyrrolo[1,2-c]oxazol-1-one Purity Limit: &ge 97% CAS No.: 97538-67-5 Molecular Formula: C7H8Cl3NO2 Molecular Weight: 244.
    SKU299458-5G
    MFR. NameAFG BIOSCIENCE
    Catalog No. C003B-294955
    Pack Size 1 EA
    Price:
    Price: $734.22
    List Price: $815.80
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  • (3r 3as 5as 5bs 6ar 9s 9as)-11-chloro-9-isopropyl-3 5a 6a-trimethyl-2 3 3a 4 5 5a 5b 6 6a 7 8 9 9a 10-tetradecahydro-1h-pentaleno[1
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    T229539-1EA
    Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product.
    SKUT229539-1EA
    MFR. NameSigma-Aldrich
    Catalog No. C005B-293751
    Pack Size 1 MG
    Price:
    Price: $100.62
    List Price: $111.79
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  • (4-pyridyl)-d-ã¡-homoalanine dihydrochloride ; >/= 98% (hplc) (c08-0159-938)
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    130939-25MG

    (4-Pyridyl)-D--homoalanine dihydrochloride ; >/= 98% (HPLC) (C003B-492849)

    Price: $734.22
    List Price: $815.80
    Synonyms: D-ß-HomoAla(4-pyridyl)-OH·2HCl(R)-3-Amino-4-(4-pyridyl)butyric acid dihydrochloride Purity Limit: &ge 98% (HPLC) CAS No.: 269396-67-0 Molecular Formula: C9H14Cl2N2O2 Molecular Weight: 253.
    SKU130939-25MG
    MFR. NameAFG BIOSCIENCE
    Catalog No. C003B-492849
    Pack Size 1 EA
    Price:
    Price: $734.22
    List Price: $815.80
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  • (4-pyridyl)-d-ã¡-homoalanine dihydrochloride ; >/= 98% (hplc) (c08-0169-804)
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    130939-100MG

    (4-Pyridyl)-D--homoalanine dihydrochloride ; >/= 98% (HPLC) (C003B-493346)

    Price: $1,503.11
    List Price: $1,670.12
    Synonyms: D-ß-HomoAla(4-pyridyl)-OH·2HCl(R)-3-Amino-4-(4-pyridyl)butyric acid dihydrochloride Purity Limit: &ge 98% (HPLC) CAS No.: 269396-67-0 Molecular Formula: C9H14Cl2N2O2 Molecular Weight: 253.
    SKU130939-100MG
    MFR. NameAFG BIOSCIENCE
    Catalog No. C003B-493346
    Pack Size 1 EA
    Price:
    Price: $1,503.11
    List Price: $1,670.12
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  • (4-pyridyl)-d-ã¡-homoalanine dihydrochloride ; >/= 98% (hplc) (c08-0187-731)
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    130939-250MG

    (4-Pyridyl)-D--homoalanine dihydrochloride ; >/= 98% (HPLC) (C003B-493695)

    Price: $2,311.05
    List Price: $2,567.83
    Synonyms: D-ß-HomoAla(4-pyridyl)-OH·2HCl(R)-3-Amino-4-(4-pyridyl)butyric acid dihydrochloride Purity Limit: &ge 98% (HPLC) CAS No.: 269396-67-0 Molecular Formula: C9H14Cl2N2O2 Molecular Weight: 253.
    SKU130939-250MG
    MFR. NameAFG BIOSCIENCE
    Catalog No. C003B-493695
    Pack Size 1 EA
    Price:
    Price: $2,311.05
    List Price: $2,567.83
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  • (4-pyridyl)-d-ã¡-homoalanine dihydrochloride ; >/= 98% (hplc) (c08-0192-758)
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    130939-1G

    (4-Pyridyl)-D--homoalanine dihydrochloride ; >/= 98% (HPLC) (C003B-493911)

    Price: $4,591.00
    List Price: $5,101.11
    Synonyms: D-ß-HomoAla(4-pyridyl)-OH·2HCl(R)-3-Amino-4-(4-pyridyl)butyric acid dihydrochloride Purity Limit: &ge 98% (HPLC) CAS No.: 269396-67-0 Molecular Formula: C9H14Cl2N2O2 Molecular Weight: 253.
    SKU130939-1G
    MFR. NameAFG BIOSCIENCE
    Catalog No. C003B-493911
    Pack Size 1 EA
    Price:
    Price: $4,591.00
    List Price: $5,101.11
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  • (r)-(-)-nipecotic acid ; >/= 98% (assay by titration), 1 g
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    164242-1G

    (R)-(-)-nipecotic acid ; >/= 98% (assay by titration), 1 g

    Price: $167.75
    List Price: $186.39
    Synonyms: (R)-()-3-Piperidinecarboxylic acid Purity Limit: &ge 98% (assay by titration) CAS No.: 25137-00-2 Molecular Formula: C6H11NO2 Molecular Weight: 129.
    SKU164242-1G
    MFR. NameAFG BIOSCIENCE
    Catalog No. C003B-280673
    Pack Size 1 EA
    Price:
    Price: $167.75
    List Price: $186.39
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  • (r)-(-)-nipecotic acid ; >/= 98% (assay by titration), 25 g
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    164242-25G

    (R)-(-)-nipecotic acid ; >/= 98% (assay by titration), 25 g

    Price: $1,292.45
    List Price: $1,436.06
    Synonyms: (R)-()-3-Piperidinecarboxylic acid Purity Limit: &ge 98% (assay by titration) CAS No.: 25137-00-2 Molecular Formula: C6H11NO2 Molecular Weight: 129.
    SKU164242-25G
    MFR. NameAFG BIOSCIENCE
    Catalog No. C003B-302535
    Pack Size 1 EA
    Price:
    Price: $1,292.45
    List Price: $1,436.06
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  • (r)-(-)-nipecotic acid ; >/= 98% (assay by titration), 5 g
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    164242-5G

    (R)-(-)-nipecotic acid ; >/= 98% (assay by titration), 5 g

    Price: $397.26
    List Price: $441.40
    Synonyms: (R)-()-3-Piperidinecarboxylic acid Purity Limit: &ge 98% (assay by titration) CAS No.: 25137-00-2 Molecular Formula: C6H11NO2 Molecular Weight: 129.
    SKU164242-5G
    MFR. NameAFG BIOSCIENCE
    Catalog No. C003B-287722
    Pack Size 1 EA
    Price:
    Price: $397.26
    List Price: $441.40
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About Color Standards

Cenmed Enterprises provides a comprehensive selection of Color Standards products sourced from leading global manufacturers. Our catalog spans research-grade reagents, certified standards, and specialty compounds used across clinical, academic, and industrial laboratories worldwide.

With decades of expertise in laboratory supply distribution, we offer competitive pricing, reliable stock availability, and dedicated technical support. Whether you need small quantities for research or bulk orders for manufacturing, our team is ready to assist with sourcing, compliance documentation, and logistics.

Frequently Asked Questions

  • What documentation is provided with orders?

    All orders include a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and a packing slip. Additional regulatory or compliance documentation can be requested at the time of order for products requiring special handling or import/export certification.

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    Minimum order quantities vary by product and are listed on each product page. For bulk or custom quantity orders, please contact our sales team at 732-447-1100 or request a quote online for custom pricing.

  • How long does shipping take?

    Standard orders ship within 1–3 business days from our New Jersey distribution center. Expedited and international shipping options are available. Hazardous materials ship in compliance with IATA/DOT regulations and may require additional lead time.

  • Can I return a product?

    We accept returns on non-hazardous, unopened products within 30 days of delivery. Controlled substances, refrigerated items, and custom orders are non-returnable. To initiate a return, please complete the return request form and submit it to our customer service team for approval. Returns will be processed once your request has been reviewed and authorized.

  • Do you offer volume discounts?

    Yes. Volume pricing is available for most products in our catalog. Contact our sales team or use the "Request a Quote" feature to get custom pricing for your organization based on your annual purchase volume and specific product needs.