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128822-04-8

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128822-04-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128822-04-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,2 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128822-04:
(8*1)+(7*2)+(6*8)+(5*8)+(4*2)+(3*2)+(2*0)+(1*4)=128
128 % 10 = 8
So 128822-04-8 is a valid CAS Registry Number.

128822-04-8Downstream Products

128822-04-8Relevant articles and documents

Asymmetric Diels-Alder Reaction with use of (S)-5-(Trityloxymethyl)pyrrolidin-2-one as a Chiral Auxiliary

Tomioka, Kiyoshi,Hamada, Noriko,Suenaga, Toshiro,Koga, Kenji

, p. 426 - 428 (2007/10/02)

(S)-5-(Trityloxymethyl)pyrrolidin-2-one (1) is an efficient and recyclable chiral auxiliary in the asymmetric Diels-Alder reaction of the imide (2) with dienes, affording cycloadducts (3) with excellent diastereofacial selectivity.

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