252679-39-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 252679-39-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,2,6,7 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 252679-39:
(8*2)+(7*5)+(6*2)+(5*6)+(4*7)+(3*9)+(2*3)+(1*9)=163
163 % 10 = 3
So 252679-39-3 is a valid CAS Registry Number.
252679-39-3Relevant articles and documents
Total synthesis of pawhuskin C: A directed ortho metalation approach
Neighbors, Jeffrey D.,Salnikova, Maya S.,Wiemer, David F.
, p. 1321 - 1324 (2005)
The total synthesis of the opioid modulator pawhuskin C has been accomplished in eight steps from methyl 3,5-dihydroxybenzoate. The key step in this sequence is a directed ortho metalation reaction conducted without protection of a benzylic alcohol and th