89291-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89291-84-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,2,9 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 89291-84:
(7*8)+(6*9)+(5*2)+(4*9)+(3*1)+(2*8)+(1*4)=179
179 % 10 = 9
So 89291-84-9 is a valid CAS Registry Number.
89291-84-9Relevant academic research and scientific papers
Wacker, O.,Kump, W.,Mueller, B. W.
, p. 5607 - 5610 (1983)
A rearrangement of 7-N-methyl-3'-O-benzoyl-(3) and 7,9-N,N-dimethyl-bicyclomycin (5) is described, which proceeds by opening of the aminal diketopiperazine ring and subsequent recyclization.