133728-40-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133728-40-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,7,2 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 133728-40:
(8*1)+(7*3)+(6*3)+(5*7)+(4*2)+(3*8)+(2*4)+(1*0)=122
122 % 10 = 2
So 133728-40-2 is a valid CAS Registry Number.
133728-40-2Relevant academic research and scientific papers
Majetich,Song,Ringold,Nemeth
, p. 2239 - 2242 (1990)
A 16-step total synthesis of (±)-14-deoxyisoamijiol is reported featuring an intramolecular sakurai reaction to stereospecifically construct the dolastane skeleton.