749900-09-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 749900-09-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,9,9,0 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 749900-09:
(8*7)+(7*4)+(6*9)+(5*9)+(4*0)+(3*0)+(2*0)+(1*9)=192
192 % 10 = 2
So 749900-09-2 is a valid CAS Registry Number.
749900-09-2Relevant articles and documents
Total synthesis of formamicin
Durham, Timothy B.,Blanchard, Nicolas,Savall, Brad M.,Powell, Noel A.,Roush, William R.
, p. 9307 - 9317 (2004)
The enantioselective total synthesis of the cytotoxic plecomacrolide natural product formamicin (1) is described. Key aspects of this synthesis include the efficient transacetalation reactions of MOM ethers 28 and 38 to form the seven-membered formyl acet