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140134-22-1

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140134-22-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140134-22-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,1,3 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 140134-22:
(8*1)+(7*4)+(6*0)+(5*1)+(4*3)+(3*4)+(2*2)+(1*2)=71
71 % 10 = 1
So 140134-22-1 is a valid CAS Registry Number.

140134-22-1Downstream Products

140134-22-1Relevant articles and documents

Enantioselective trimethylsilylcyanation of benzaldehyde using pyrrolidine-based chiral salen ligands

Serra, M. Elisa Silva,Murtinho, Dina,Goth, Albertino

scheme or table, p. 64 - 69 (2010/08/07)

The in situ formed Ti(IV) complexes of several pyrrolidine-based chiral salen ligands derived from natural (L)-tartaric acid were evaluated as catalysts in the enantioselective trimethylsilylcyanation of benzaldehyde. The catalysts were found to be very active, producing the corresponding product, O-trimethylsilylmandelonitrile, in high yields (>94%) and enantioselectivities of up to 88%.

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