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121425-22-7

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121425-22-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121425-22-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,4,2 and 5 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 121425-22:
(8*1)+(7*2)+(6*1)+(5*4)+(4*2)+(3*5)+(2*2)+(1*2)=77
77 % 10 = 7
So 121425-22-7 is a valid CAS Registry Number.

121425-22-7Relevant articles and documents

A practical in situ generation of the schwartz reagent. reduction of tertiary amides to aldehydes and hydrozirconation

Zhao, Yigang,Snieckus, Victor

, p. 390 - 393 (2014/04/03)

A new, highly efficient in situ protocol (Cp2ZrCl2/LiAlH(OBu-t)3) is described for the generation of the Schwartz reagent which provides a convenient method for the amide to aldehyde reduction and the regioselective hydrozirconation-iodination of alkynes and alkenes. Highlighted are chemoselective reductions of benzamides derived by directed ortho metalation (DoM) chemistry, allowing the synthesis of valuable 1,2,3-substituted benzaldehydes. The single-step, three-component process proceeds in a very short reaction time, shows excellent functional group compatibility, and uses inexpensive and long-storage stable reducing reagents.

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