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(+/-)-2-Cyclopentyl-2-phenyl-bernsteinsaeure-4-chlorid-1-nitril is a complex organic chemical compound with the molecular formula C19H20ClNO2. It is a derivative of Bernsteinsaeure (benzeneacetic acid), featuring a cyclopentyl group at the 2-position and a phenyl group at the 2-position as well. The 4-chlorid substituent is attached to the benzene ring, and a nitrile group (-CN) is present at the 1-position. (+/-)-2-Cyclopentyl-2-phenyl-bernsteinsaeure-4-chlorid-1-nitril is known for its potential applications in the synthesis of various pharmaceuticals and agrochemicals, particularly as an intermediate in the production of certain drugs. Its chemical structure and properties make it a versatile building block in organic synthesis, although it requires careful handling due to its potential reactivity and toxicity.

3900-99-0

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3900-99-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3900-99-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,0 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3900-99:
(6*3)+(5*9)+(4*0)+(3*0)+(2*9)+(1*9)=90
90 % 10 = 0
So 3900-99-0 is a valid CAS Registry Number.
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