89473-55-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89473-55-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,4,7 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 89473-55:
(7*8)+(6*9)+(5*4)+(4*7)+(3*3)+(2*5)+(1*5)=182
182 % 10 = 2
So 89473-55-2 is a valid CAS Registry Number.
89473-55-2Relevant academic research and scientific papers
ALTERNATIVE SYNTHESIS OF (+/-)-VERMICULIN
Traverso, Giorgio,Pirillo, Demetrio,Gazzaniga, Andrea
, p. 461 - 464 (2007/10/02)
The synthesis of (+/-)-vermiculin, 1, is reported.The key step is the condensation of the formyl ester 13 with the acetoacetic dianion to diester 15.
