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200055-82-9

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200055-82-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 200055-82-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,0,5 and 5 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 200055-82:
(8*2)+(7*0)+(6*0)+(5*0)+(4*5)+(3*5)+(2*8)+(1*2)=69
69 % 10 = 9
So 200055-82-9 is a valid CAS Registry Number.

200055-82-9Downstream Products

200055-82-9Relevant articles and documents

Enantioselective allene/enone photocycloadditions: The use of an inexpensive optically active 1,3-disubstituted allene

Shepard, Mary S.,Carreira, Erick M.

, p. 16253 - 16276 (2007/10/03)

We report the preparation and use of an inexpensive readily prepared optically active 1,3-disubstituted allene that may be utilized for enantioselective intramolecular allene/enone photocycloadditions. In addition, we describe novel substrates for intramo

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