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Organic Standards


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Organic Standards

VWR offers a wide range of certified organic standards designed for instrument calibration in ion-exchange chromatography (IC) applications, which can be applied toward environmental or food analysis and quality control. IC is an analytical technique used for the separation and quantification of anions and cations in aqueous samples. VWR offers high-purity, well-defined reference materials ideal for low-ppm level quantification or trace analysis. Bottles of organic standards are available for a range of elements.


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Supplier:  TLC PHARMACEUTICAL STANDARD LTD
Description:   Sitagliptin triazecine analog
New Product
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Supplier:  TLC PHARMACEUTICAL STANDARD LTD
Description:   N-NITROSO-N-DESMETHYL TAMOXIFEN 10MG
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Supplier:  TLC PHARMACEUTICAL STANDARD LTD
Description:   DIMETHYL SILDENAFIL 25MG
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Supplier:  TLC PHARMACEUTICAL STANDARD LTD
Description:   Sunitinib-d4
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Supplier:  TLC PHARMACEUTICAL STANDARD LTD
Description:   4-Oxo Tretinoin (4-Oxo retinoic acid)
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Supplier:  TLC PHARMACEUTICAL STANDARD LTD
Description:   Trazodone EP impurity A (Trazodone hydrochloride BP impurity A, Trazodone N1-oxide)
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Supplier:  TLC PHARMACEUTICAL STANDARD LTD
Description:   Sacubitril-(2S,4S)-Isomer
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Supplier:  TLC PHARMACEUTICAL STANDARD LTD
Description:   Theophylline 7-acetic acid
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Supplier:  TLC PHARMACEUTICAL STANDARD LTD
Description:   Topiramate EP impurity A (Topiramate USP related compound A)
New Product
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Supplier:  TLC PHARMACEUTICAL STANDARD LTD
Description:   5,8-Epoxy-9-cis-retinoic acid
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Supplier:  TLC PHARMACEUTICAL STANDARD LTD
Description:   Methyl 12-ketostearate
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Supplier:  TLC PHARMACEUTICAL STANDARD LTD
Description:   Solifenacin EP impurity B
New Product
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Supplier:  TLC PHARMACEUTICAL STANDARD LTD
Description:   TADALAFIL IMPURITY 24 10MG
New Product
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Supplier:  TLC PHARMACEUTICAL STANDARD LTD
Description:   Timolol EP impurity B
New Product
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Supplier:  TLC PHARMACEUTICAL STANDARD LTD
Description:   Serotonin impurity 2 (4-Hydroxyindole-3-acetic acid)
New Product
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Supplier:  TLC PHARMACEUTICAL STANDARD LTD
Description:   Sevelamer carbonate
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
To process your orders without delay, please provide the required business documentation to purchase this product.

To order chemicals, medical devices, or other restricted products please provide ID that includes your business name & shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number. Acceptable forms of ID are:

  • State issued document with your organization's Federal Tax ID Number
  • State issued document with your organization's Resale Tax ID Number
  • City or County issued Business License
  • State Department of Health Services License
  • Any other ID issued by the State that includes the business name & address

* ATTN: California Customers may require additional documentation as part of the CA Health & Safety Code. Products that fall under this regulation will be placed on a mandatory 21-day hold after documentation is received. VWR will not lift restrictions for residential shipping addresses.

-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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