733769-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 733769-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,3,7,6 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 733769-90:
(8*7)+(7*3)+(6*3)+(5*7)+(4*6)+(3*9)+(2*9)+(1*0)=199
199 % 10 = 9
So 733769-90-9 is a valid CAS Registry Number.
733769-90-9Relevant academic research and scientific papers
RCM approach for the total synthesis of cryptophycin-24 (Arenastatin A)
Tripathy, Narendra K.,Georg, Gunda I.
, p. 5309 - 5311 (2007/10/03)
An efficient total synthesis of cryptophycin-24 (arenastatin A) is reported, which features two novel synthetic strategies, the use of a RCM reaction to form the macrocycle, and the introduction of the styrene epoxide moiety prior to the macrocyclization
