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  3. New Lot-Numbering System

Thermo Fisher Scientific New Lot-Numbering System Owner's manual

  • I have reviewed the provided User Bulletin, which explains the new lot-numbering system for Applied Biosystems chemical products and supplies. It details how to decode the six-digit lot number to determine the product's manufacturing date. This information includes the manufacturing location, year, and month. I'm ready to answer any questions you have about this system and what it means for your products.
  • What is the purpose of this document?
    When was the system put in effect?
    How many digits are used in lot number?
User Bulletin No. 6
Peptide Synthesizer
November 1985 (updated 07/2002)
SUBJECT: New Lot-Numbering System For Applied Biosystems Chemical
Products And Supplies
Applied Biosystems has adopted a new lot-numbering system for all chemical
products and supplies. Effective November 1985, the following six digit code will be
used. Understanding this code will help you determine the manufacturing dates of
purchased chemical products.
The remaining three numerical digits are the lot of manufacture and are sequential for each
product.
Example: A5K002
* A fourth numerical digit will be used when lot number 1000 is reached.
First Digit: Manufacturing Location
Second Digit: Year (within the decade)
0-9
Third Digit: Month (as an alpha character)
A = January G = July
B = February H = August
C = March J = September
D = April K = October
E = May L = November
F = June M = December
A = Manufacturing Location
5 = 1985
K = October
002 = Lot Number Sequence*, second lot produced
© Copyright 2002, Applied Biosystems
For Research Use Only. Not for use in diagnostic procedures.
Stock No. 118UB05-02
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