T1503
aminopeptidase substrate
≥99.9% (titration)
crystalline
10.5-12
7-9
8.1
219-220 °C/10 mmHg (lit.)
167-172 °C (lit.)
methanol: soluble 26 mg/mL at 25 °C
ethylene glycol: soluble 79.1 mg/mL at 25 °C
water: soluble (678 g/l at 20 °C)
≤0.05 at 290 nm at 40%
diagnostic assay manufacturing
NC(CO)(CO)CO
1S/C4H11NO3/c5-4(1-6,2-7)3-8/h6-8H,1-3,5H2
LENZDBCJOHFCAS-UHFFFAOYSA-N
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11 - Combustible Solids
WGK 1
Not applicable
Not applicable
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.
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Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).
Example:
Additional examples:
705578-5MG-PW
PL860-CGA/SHF-1EA
MMYOMAG-74K-13
1000309185
enter as 1.000309185)
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How to Find a Lot/Batch Number for COA
Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.
For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').
For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').
For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.
In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.
The pH of a 0.1 M aqueous solution of Trizma base will have a pH of approximately 10.4.
We recommend the use of glass-calomel electrodes for use with Trizma base solutions through a pH range of 0-12 and a temperature range of -5 °C to 80 °C. Silver/silver chloride reference electrodes are not recommended for use with Trizma solutions that contain proteins.
Trizma base may be used directly in preparing a buffer by adjusting the pH with a 0.1 to 1.0 M HCl or blended with Trizma hydrochloride.
Trizma base meets the requirements for a primary basimetric standard.
Yes, Trizma buffered solutions may be autoclaved.
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
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Ask a Scientist here.
To measure carboxypeptidase A activity, hippuryl-L-phenylalanine is used in a continuous spectrophotometric rate determination assay at 254 nm. Carboxypeptidase A hydrolyzes peptide bonds at C-terminal residues.
To measure achromopeptidase activity, this procedure uses bacterial cells and a turbidimetric rate assay. Turbidity is measured at 600 nm using a spectrophotometer.
To measure chloramphenicol acetyltransferase activity, this procedure uses DTNB and coenzyme A. The reaction of DTNB with the –SH group on CoA results in a colorimetric increase at 412 nm.
To measure luciferase activity, an assay that measures light emission with a luminometer is used. Firefly luciferase is used for detection and quantitation of ATP and as a reporter for genetic function.
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
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