475055-33-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 475055-33-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,5,0,5 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 475055-33:
(8*4)+(7*7)+(6*5)+(5*0)+(4*5)+(3*5)+(2*3)+(1*3)=155
155 % 10 = 5
So 475055-33-5 is a valid CAS Registry Number.
475055-33-5Relevant academic research and scientific papers
Formal total synthesis of ascidiatrienolide A and the didemnilactones
Fuerstner, Alois,Schlede, Monika
, p. 657 - 665 (2007/10/03)
A concise synthesis of the ten-membered lactone 26 is described which constitutes the key intermediate of a previous total synthesis of the marine natural product ascidiatrienolide 1 and can also be elaborated into the closely related didemnilactones 2-4.
