85165-97-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85165-97-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,1,6 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 85165-97:
(7*8)+(6*5)+(5*1)+(4*6)+(3*5)+(2*9)+(1*7)=155
155 % 10 = 5
So 85165-97-5 is a valid CAS Registry Number.
85165-97-5Relevant articles and documents
SYNTHESIS OF (+/-)-PRAERUPTORIN A AND RELATED KHELLACTONE DERIVATIVES
Bal-Tembe, Swati,Bhedi, Dilip N.,Souza, Noel J. de,Rupp, Richard Helmut
, p. 1239 - 1249 (2007/10/02)
The first synthesis of the pyranocoumarin natural product, (+/-)-praeruptorin A (= Pd-Ia), is described.A general method for the preparation of various khellactone derivatives is reported.