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(+)-Biotin 4-amidobenzoic acid is a substrate of biotinidase, which cleaves biotin amide to give biotin in vivo. Biotin is an essential coenzyme for certain carboxylases and is used to modify histones and regulate gene transcription. Biotinidase has key roles in intestinal absorption of biotin, the transport of biotin in plasma, and in the regulation of histone biotinylation. (+)-Biotin 4-amidobenzoic acid is hydrolyzed by biotinidase to release 4-aminobenzoic acid (PABA), which can be quantified by either fluorescent or colorimetric methods. This approach is used in biotinidase activity assays in newborn screening protocols to evaluate biotinidase deficiency.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 5 mg | $128 | 35 days | 35 days | |
| 10 mg | $239 | 35 days | 35 days | |
| 25 mg | $549 | 35 days | 35 days | |
| 50 mg | $968 | 35 days | 35 days |
| Description | (+)-Biotin 4-amidobenzoic acid is a substrate of biotinidase, which cleaves biotin amide to give biotin in vivo. Biotin is an essential coenzyme for certain carboxylases and is used to modify histones and regulate gene transcription. Biotinidase has key roles in intestinal absorption of biotin, the transport of biotin in plasma, and in the regulation of histone biotinylation. (+)-Biotin 4-amidobenzoic acid is hydrolyzed by biotinidase to release 4-aminobenzoic acid (PABA), which can be quantified by either fluorescent or colorimetric methods. This approach is used in biotinidase activity assays in newborn screening protocols to evaluate biotinidase deficiency. |
| Molecular Weight | 385.41 |
| Formula | C17H20N3NaO4S |
| Cas No. | 102418-74-6 |
| Smiles | [Na].[H][C@]12CS[C@@H](CCCCC(=O)Nc3ccc(cc3)C(O)=O)[C@@]1([H])NC(=O)N2jcExt:v:0:0 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | ||||||||||||||||||||
| Solubility Information | PBS (pH 7.2): 2 mg/mL (5.19 mM), Sonication is recommended. DMSO: 1 mg/mL (2.59 mM), Sonication is recommended. | ||||||||||||||||||||
Solution Preparation Table | |||||||||||||||||||||
DMSO/PBS (pH 7.2)
PBS (pH 7.2)
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Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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