73069-54-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73069-54-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,0,6 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 73069-54:
(7*7)+(6*3)+(5*0)+(4*6)+(3*9)+(2*5)+(1*4)=132
132 % 10 = 2
So 73069-54-2 is a valid CAS Registry Number.
73069-54-2Relevant articles and documents
A Total Synthesis of (+/-)-9-Pupukeanone
Piers, Edward,Winter, Manfred
, p. 973 - 984 (2007/10/02)
A stereoselective total synthesis of (+/-)-9-pupukeanone (3), an intermediate employed in previously reported total syntheses of the structurally novel sesquiterpenoid (+/-)-9-isocyanopupukeanane (1), is described.In the key step of the synthetic sequence