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1374035-93-4

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1374035-93-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1374035-93-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,4,0,3 and 5 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1374035-93:
(9*1)+(8*3)+(7*7)+(6*4)+(5*0)+(4*3)+(3*5)+(2*9)+(1*3)=154
154 % 10 = 4
So 1374035-93-4 is a valid CAS Registry Number.

1374035-93-4Relevant articles and documents

Oxazoline-based organocatalyst for enantioselective strecker reactions: A protocol for the synthesis of levamisole

Sadhukhan, Arghya,Sahu, Debashis,Ganguly, Bishwajit,Khan, Noor-Ul H.,Kureshy, Rukhsana I.,Abdi, Sayed H.R.,Suresh,Bajaj, Hari C.

, p. 14224 - 14232 (2013)

A chiral oxazoline-based or-ganocatalyst has been found to efficiently catalyze asymmetric Strecker reactions of various aromatic and aliphatic N-benzhydrylimines with trime-thylsilyl cyanide (TMSCN) as a cyanide source at -20°C to give α-aminoni-triles in high yield (96%) with excellent chiral induction (up to 98% ee). DFT calculations have been performed to rationalize the enantioselective formation of the product with the organo-catalyst in these reactions. The organo-catalyst has been characterized by single-crystal X-ray diffraction analysis, as well as by other analytical methods. This protocol has been extended to the synthesis of the pharmaceutically important drug molecule levamisole in high yield and with high enantioselectivity.

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