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162238-72-4

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162238-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 162238-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,2,3 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 162238-72:
(8*1)+(7*6)+(6*2)+(5*2)+(4*3)+(3*8)+(2*7)+(1*2)=124
124 % 10 = 4
So 162238-72-4 is a valid CAS Registry Number.

162238-72-4Relevant academic research and scientific papers

Total synthesis of Taxol. 4. The final stages and completion of the synthesis

Nicolaou,Ueno,Liu,Nantermet,Yang,Renaud,Paulvannan,Chadha

, p. 653 - 659 (2007/10/02)

The total synthesis of (-)-Taxol has been achieved. Functional group manipulation of diol 2 provided the ABC ring system with the correct C9-keto, C10-acetyloxy functionality. Careful optimization allowed the oxidation of the C5-C6 alkene in 4 at C5 via a

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