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223545-36-6

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223545-36-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 223545-36-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,5,4 and 5 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 223545-36:
(8*2)+(7*2)+(6*3)+(5*5)+(4*4)+(3*5)+(2*3)+(1*6)=116
116 % 10 = 6
So 223545-36-6 is a valid CAS Registry Number.

223545-36-6Relevant articles and documents

Asymmetric synthesis of all the known phlegmarine alkaloids

Wolfe, Bradley H.,Libby, Adam H.,Al-Awar, Rima S.,Foti, Christopher J.,Comins, Daniel L.

, p. 8564 - 8570 (2011/03/19)

The asymmetric synthesis of all four of the known natural phlegmarines and one synthetic derivative has been accomplished in 19-22 steps from 4-methoxy-3-(triisopropylsilyl)pyridine. Chiral N-acylpyridinium salt chemistry was used twice to set the stereoc

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