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121129-35-9

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121129-35-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121129-35-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,1,2 and 9 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 121129-35:
(8*1)+(7*2)+(6*1)+(5*1)+(4*2)+(3*9)+(2*3)+(1*5)=79
79 % 10 = 9
So 121129-35-9 is a valid CAS Registry Number.

121129-35-9Relevant articles and documents

Preparation method of (1R,3S)-3-amino-1-cyclopentanol and salt thereof

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Paragraph 0070-0084, (2020/03/16)

The invention discloses a preparation method of (1R,3S)-3-amino-1-cyclopentanol and a salt thereof, and relates to the field of organic synthesis. In the method, a chiral source in an N-Acyl hydroxylamine compound is used as chiral induction, and an asymm

ASYMMETRIC INDUCTION IN THE DIELS-ALDER REACTIONS OF α-HYDROXYACYLNITROSO COMPOUNDS

Kirby, Gordon W.,Nazeer, Muhammad

, p. 6173 - 6174 (2007/10/02)

Transient, chiral α-hydroxyacylnitroso compounds (2), able to form intramolecular hydrogen bonds, react stereoselectively with cyclopentadiene and cyclohexa-1,3-diene; the cycloadduct (6) of the latter diene and the nitroso derivative of (S)-mandelic acid

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