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Poly(oxy-1,2-ethanediyl), α-(1-oxotetradecyl)-ω-hydroxy- is a complex organic compound, commonly known as polyethylene glycol (PEG) with a molecular weight of approximately 1000 g/mol. This polymer is characterized by its repeating ethylene oxide units, which provide it with unique properties such as solubility in water, low toxicity, and biocompatibility. It is widely used in various industries, including pharmaceuticals, cosmetics, and chemical manufacturing, due to its ability to act as a solvent, plasticizer, or surfactant. The α-(1-oxotetradecyl) group at one end and the ω-hydroxy group at the other end of the polymer chain give it specific functional groups that can be used for further chemical modifications or as a linking agent in the synthesis of more complex molecules.

9004-89-1

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9004-89-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 9004-89-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,0,0 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 9004-89:
(6*9)+(5*0)+(4*0)+(3*4)+(2*8)+(1*9)=91
91 % 10 = 1
So 9004-89-1 is a valid CAS Registry Number.

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