575444-18-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 575444-18-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,7,5,4,4 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 575444-18:
(8*5)+(7*7)+(6*5)+(5*4)+(4*4)+(3*4)+(2*1)+(1*8)=177
177 % 10 = 7
So 575444-18-7 is a valid CAS Registry Number.
575444-18-7Relevant academic research and scientific papers
Synthetic studies on ecteinascidin 743: Asymmetric synthesis of the versatile amino acid component
Jin, Wei,Williams, Robert M.
, p. 4635 - 4639 (2007/10/03)
The asymmetric synthesis of the modified tyrosine derivative as a basic building block for the ecteinascidin and safracin family of antitumor alkaloids has been achieved in nine steps and 39% overall yield.
