58865-64-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58865-64-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,8,6 and 5 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 58865-64:
(7*5)+(6*8)+(5*8)+(4*6)+(3*5)+(2*6)+(1*4)=178
178 % 10 = 8
So 58865-64-8 is a valid CAS Registry Number.
58865-64-8Relevant academic research and scientific papers
3-Halo-cepham derivatives
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, (2008/06/13)
Penicillin sulfoxides are converted to 3-halo-3-methyl-cepham-4-carboxylic acid esters and amides or the corresponding cephem derivatives by heating the penicillin sulfoxide precursor in a polyhaloalkane solvent to a temperature between 50° to about 150°C
