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83044-02-4

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83044-02-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83044-02-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,0,4 and 4 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83044-02:
(7*8)+(6*3)+(5*0)+(4*4)+(3*4)+(2*0)+(1*2)=104
104 % 10 = 4
So 83044-02-4 is a valid CAS Registry Number.

83044-02-4Downstream Products

83044-02-4Relevant academic research and scientific papers

Total synthesis of bleomycin group antibiotics. Total syntheses of bleomycin demethyl A2, bleomycin A2, and decarbamoyl bleomycin demethyl A2

Katano, Kiyoaki,An, Haoyun,Aoyagi, Yoshiaki,Overhand, Mark,Sucheck, Steven J.,Stevens Jr., William C.,Hess, Cynthia D.,Zhou, Xiang,Hecht, Sidney M.

, p. 11285 - 11296 (2007/10/03)

The total syntheses of bleomycin A2 (1) by two routes are described. The final step in the synthesis of bleomycin A2 involves methylation of bleomycin demethyl A2 (2). This bleomycin derivative is of interest mechanistical

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