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Bis-(4-diethylamino-phenyl)-carbodiimide, commonly known as EDC or 1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide, is a widely used chemical cross-linking agent in various fields, including biochemistry, organic synthesis, and materials science. It is a white crystalline solid with the chemical formula C11H21N3. EDC is known for its ability to activate carboxyl groups, facilitating the formation of amide bonds between carboxylic acids and amines, which is crucial in peptide synthesis and protein conjugation. It is also used in the preparation of various bioconjugates, such as antibodies, enzymes, and other biomolecules. Due to its reactivity, it is essential to handle EDC with care, as it can cause skin and eye irritation and is considered a hazardous substance.

745-91-5

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745-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 745-91-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,4 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 745-91:
(5*7)+(4*4)+(3*5)+(2*9)+(1*1)=85
85 % 10 = 5
So 745-91-5 is a valid CAS Registry Number.
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