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1160308-92-8

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1160308-92-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1160308-92-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,0,3,0 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1160308-92:
(9*1)+(8*1)+(7*6)+(6*0)+(5*3)+(4*0)+(3*8)+(2*9)+(1*2)=118
118 % 10 = 8
So 1160308-92-8 is a valid CAS Registry Number.

1160308-92-8Downstream Products

1160308-92-8Relevant articles and documents

Asymmetric autocatalysis triggered by carbon isotope (13 C/12C) chirality

Kawasaki, Tsuneomi,Matsumura, Yukari,Tsutsumi, Takashi,Suzuki, Kenta,Ito, Masateru,Soai, Kenso

, p. 492 - 495 (2011/07/07)

Many apparently achiral organic molecules on Earth may be chiral because of random substitution of the 1.11% naturally abundant 13C for 12C in an enantiotopic moiety within the structure. However, chirality from this source is experimentally difficult to discern because of the very small difference between 13C and 12C. We have demonstrated that this small difference can be amplified to an easily seen experimental outcome using asymmetric autocatalysis. In the reaction between pyrimidine-5-carbaldehyde and diisopropylzinc, addition of chiral molecules in large enantiomeric excess that are, however, chiral only by virtue of isotope substitution causes a slight enantiomeric excess in the zinc alkoxide of the produced pyrimidyl alkanol. Asymmetric autocatalysis then leads to pyrimidyl alcohol with a large enantiomeric excess. The sense of enantiomeric excess of the product alcohol varies consistently with the sense of the excess enantiomer of the carbon isotopically chiral compound.

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