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Diffraction Gratings

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

  
  • polydimethylsiloxane, trimethylsiloxy terminated, mw ~ 4,000 (c08-0279-319)
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    222365-250ML

    Polydimethylsiloxane, trimethylsiloxy terminated, MW ~ 4,000 (C003B-340799)

    Price: $238.25
    List Price: $264.72
    CAS: 9016-00-6 MDL No: MFCD00148360 RTECS: TQ2690000 Liquid Linear Formula: (CH<sub>3</sub>)<sub>3</sub>SiO(Si(CH<sub>3</sub>)<sub>2</sub>O)<sub>n</sub>Si(CH<sub>3</sub>)<sub>3</sub> MW: &asymp4,000 Melting Point: -40&deg Boiling Point:
    SKU222365-250ML
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-340799
    Pack Size 1 EA
    Price:
    Price: $238.25
    List Price: $264.72
    Quantity:
     
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  • polydimethylsiloxane, trimethylsiloxy terminated, mw ~ 4,000 (c08-0284-683)
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    222365-1L

    Polydimethylsiloxane, trimethylsiloxy terminated, MW ~ 4,000 (C003B-344752)

    Price: $528.43
    List Price: $587.14
    CAS: 9016-00-6 MDL No: MFCD00148360 RTECS: TQ2690000 Liquid Linear Formula: (CH<sub>3</sub>)<sub>3</sub>SiO(Si(CH<sub>3</sub>)<sub>2</sub>O)<sub>n</sub>Si(CH<sub>3</sub>)<sub>3</sub> MW: &asymp4,000 Melting Point: -40&deg Boiling Point:
    SKU222365-1L
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-344752
    Pack Size 1 EA
    Price:
    Price: $528.43
    List Price: $587.14
    Quantity:
     
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  • polyethylene glycol, mw   200  500g
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    225040-500G

    Polyethylene glycol, MW 200 500g

    Price: $239.43
    List Price: $266.03
    CAS: 25322-68-3 EC No: 203-473-3 MDL No: MFCD01779596 RTECS: TQ3600000 Liquid Linear Formula: H(OCH<sub>2</sub>CH<sub>2</sub>)<sub>n</sub>OH MW: &asymp200 Melting Point: -65&deg Flash Point: 171&degC (339&degF) Density (g/mL): 1.127 Refractive
    SKU225040-500G
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-095013
    Pack Size 1 EA
    Price:
    Price: $239.43
    List Price: $266.03
    Quantity:
     
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  • quinine hemisulfate monohydrate, 99%  10g
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    213810-10G

    Quinine hemisulfate monohydrate, 99% 10g

    Price: $345.64
    List Price: $384.04
    CAS: 6119-70-6 EC No: 212-359-2 MDL No: MFCD00150792 RTECS: VA8440000 Powder Molecular Formula: C<sub>20</sub>H<sub>24</sub>N<sub>2</sub>O<sub>2</sub>&middot0.5H<sub>2</sub>SO<sub>4</sub>&middotH<sub>2</sub>O MW: 391.
    SKU213810-10G
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-340065
    Pack Size 1 EA
    Price:
    Price: $345.64
    List Price: $384.04
    Quantity:
     
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  • quinine hemisulfate monohydrate, 99%  250g
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    213810-250G

    Quinine hemisulfate monohydrate, 99% 250g

    Price: $1,682.91
    List Price: $1,869.90
    CAS: 6119-70-6 EC No: 212-359-2 MDL No: MFCD00150792 RTECS: VA8440000 Powder Molecular Formula: C<sub>20</sub>H<sub>24</sub>N<sub>2</sub>O<sub>2</sub>&middot0.5H<sub>2</sub>SO<sub>4</sub>&middotH<sub>2</sub>O MW: 391.
    SKU213810-250G
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-349057
    Pack Size 1 EA
    Price:
    Price: $1,682.91
    List Price: $1,869.90
    Quantity:
     
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  • quinine hemisulfate monohydrate, 99%  50g
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    213810-50G

    Quinine hemisulfate monohydrate, 99% 50g

    Price: $404.65
    List Price: $449.62
    CAS: 6119-70-6 EC No: 212-359-2 MDL No: MFCD00150792 RTECS: VA8440000 Powder Molecular Formula: C<sub>20</sub>H<sub>24</sub>N<sub>2</sub>O<sub>2</sub>&middot0.5H<sub>2</sub>SO<sub>4</sub>&middotH<sub>2</sub>O MW: 391.
    SKU213810-50G
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-343718
    Pack Size 1 EA
    Price:
    Price: $404.65
    List Price: $449.62
    Quantity:
     
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  • quinoline, 97%  100g
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    218615-100G

    Quinoline, 97% 100g

    Price: $192.96
    List Price: $214.40
    CAS: 91-22-5 EC No: 202-051-6 MDL No: MFCD00006736 RTECS: VA9275000 UN No: UN2656 Haz Class: 6.1 Packing Group: III Liquid Molecular Formula: C<sub>9</sub>H<sub>7</sub>N MW: 129.
    SKU218615-100G
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-340024
    Pack Size 1 EA
    Price:
    Price: $192.96
    List Price: $214.40
    Quantity:
     
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  • quinoline, 97%  2.5kg
    218615-2.5KG

    Quinoline, 97% 2.5kg

    Price: $849.92
    List Price: $944.36
    CAS: 91-22-5 EC No: 202-051-6 MDL No: MFCD00006736 RTECS: VA9275000 UN No: UN2656 Haz Class: 6.1 Packing Group: III Liquid Molecular Formula: C<sub>9</sub>H<sub>7</sub>N MW: 129.
    SKU218615-2.5KG
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-346817
    Pack Size 1 EA
    Price:
    Price: $849.92
    List Price: $944.36
    Quantity:
     
  • quinoline, 97%  500g
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    218615-500G

    Quinoline, 97% 500g

    Price: $332.56
    List Price: $369.51
    CAS: 91-22-5 EC No: 202-051-6 MDL No: MFCD00006736 RTECS: VA9275000 UN No: UN2656 Haz Class: 6.1 Packing Group: III Liquid Molecular Formula: C<sub>9</sub>H<sub>7</sub>N MW: 129.
    SKU218615-500G
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-342111
    Pack Size 1 EA
    Price:
    Price: $332.56
    List Price: $369.51
    Quantity:
     
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  • quinoline, 98%  1kg
    216465-1KG

    Quinoline, 98% 1kg

    Price: $790.49
    List Price: $878.32
    CAS: 91-22-5 EC No: 202-051-6 MDL No: MFCD00006736 RTECS: VA9275000 UN No: UN2656 Haz Class: 6.1 Packing Group: III Liquid Molecular Formula: C<sub>9</sub>H<sub>7</sub>N MW: 129.
    SKU216465-1KG
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-346533
    Pack Size 1 EA
    Price:
    Price: $790.49
    List Price: $878.32
    Quantity:
     
  • quinoline, 98%  250g
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    216465-250G

    Quinoline, 98% 250g

    Price: $301.16
    List Price: $334.62
    CAS: 91-22-5 EC No: 202-051-6 MDL No: MFCD00006736 RTECS: VA9275000 UN No: UN2656 Haz Class: 6.1 Packing Group: III Liquid Molecular Formula: C<sub>9</sub>H<sub>7</sub>N MW: 129.
    SKU216465-250G
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-341765
    Pack Size 1 EA
    Price:
    Price: $301.16
    List Price: $334.62
    Quantity:
     
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  • quinoline, 98%  50g
    Add to Cart The item has been added
    216465-50G

    Quinoline, 98% 50g

    Price: $122.19
    List Price: $135.76
    CAS: 91-22-5 EC No: 202-051-6 MDL No: MFCD00006736 RTECS: VA9275000 UN No: UN2656 Haz Class: 6.1 Packing Group: III Liquid Molecular Formula: C<sub>9</sub>H<sub>7</sub>N MW: 129.
    SKU216465-50G
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-338641
    Pack Size 1 EA
    Price:
    Price: $122.19
    List Price: $135.76
    Quantity:
     
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About Diffraction Gratings

Cenmed Enterprises provides a comprehensive selection of Diffraction Gratings 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.

  • What is the minimum order quantity?

    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.