![]() Products we sell as an affiliate of Merck KGaA, Darmstadt, Germany, generally retain their original lot numbers. Products produced in our Gibbstown, NJ, facility use a four digit system, i.e., the last digit of the year plus the Julian day for the finished goods (e.g., Lot Number 1155 would be the 155th day of 2001). These lot numbering systems apply only to products manufactured in our Norwood, OH, facility. Week 18 (4 0 1 2 3 0 1 8) means the eighteenth week of the year.Ĥ 0 1 2 3 1 0 2 indicates that this product was filled in the second week of 2001 from the same bulk material.Ĥ 0 1 2 3 2 1 0 indicates that this product was filled in the tenth week of 2002 from the same bulk material. The last three digits are the year and week of the fill. CD having different lot numbers from Astec was satisfactory, whereas samples from. The first five digits mean the same as above. For instance, HP - CD sam- ples from Aldrich with degrees of. Sigma-Aldrich does not collect analytical data for this product. Description Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. The additional three digits indicate that there are subsequent fills from the same bulk material. 34 Molecular Weight: 335.706 MDL number: MFCD02973686 Pricing and availability is not currently available. This day represents the day the material was received.Īn 8 digit lot number is assigned to products filled from bulk where the same lot of material may be used for other fills. You may also combine all of these options or when necessary remove filters. You can also choose a specific category of results by clicking on the tabs across the page. You can select from the available filters on the left to narrow down the list of results to be more specific. (Lot year 42 is 2002, etc.) The next three digits are the Julian day. You can perform a search within the results of your previous search. The lot year is offset by 60.Įxample: Lot year 40 is 2000. The first two digits are the year that the product was approved. Product: Acetone AX0116-6 A 5 digit lot number is assigned to products manufactured and filled as complete lots such as OmniSolv ® high purity solvents. ![]() The lot number and catalog number together provide the uniqueness and traceability that is required by our industry.Ī 5 digit lot number is assigned to products manufactured and filled as complete lots such as OmniSolv® high purity solvents. If you have any questions or need further assistance, in this matter or any other, please feel free to call 1-80 or 1-85.The lot numbering system meets all required guidelines for traceability. MilliporeSigma appreciates your use of our products and looks forward to continued service for your laboratory needs. from Sigma - Aldrich Chemical Company ( St. This could be part of the laboratory standard operating procedure (SOP). The overall purity of lot 11905BU was determined to be greater than 99. Additionally, the customer may want to establish a protocol for replacement after a pre-determined time period. SDS's are also available on the MilliporeSigma website. Decomposition data is available on the Safety Data Sheet which should be on file with the company. Depending upon the nature of the product, review the appearance and quality on a regular basis. ![]() MilliporeSigma recommends that the customer keep a list of the date of receipt and the date the product was first opened for use. In cases of atmospheric contact causing product degradation, it is often possible to detect physical changes such as liquefaction, color differences or physical variation which may be used as a guide to determine if a material has deteriorated. It is recommended that known hygroscopic or environmentally interactive materials be kept in sealed bottles. ![]() In the case of unmarked items, there is no stated expiration date, and the shelf life is considered indefinite if stored and handled properly.įrom a practical standpoint, the quality of some products may be affected by atmospheric contact. Only those products marked with an expiration date have an actual shelf life.
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