854022-31-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 854022-31-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,0,2 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 854022-31:
(8*8)+(7*5)+(6*4)+(5*0)+(4*2)+(3*2)+(2*3)+(1*1)=144
144 % 10 = 4
So 854022-31-4 is a valid CAS Registry Number.
854022-31-4Relevant academic research and scientific papers
Synthetic studies toward ecteinascidin 743
Chen, Xiaochuan,Chen, Jinchun,De Paolis, Michael,Zhu, Jieping
, p. 4397 - 4408 (2007/10/03)
An efficient synthesis of a fully functionalized tetracycle (A-B-C-H) 7 containing a 1,4-bridged 10-membered lactone was developed. Phenolic aldol condensation between 2-methylsesamol (15) and Garner's aldehyde provided the protected amino diol 16, which
