57625-06-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57625-06-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,6,2 and 5 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 57625-06:
(7*5)+(6*7)+(5*6)+(4*2)+(3*5)+(2*0)+(1*6)=136
136 % 10 = 6
So 57625-06-6 is a valid CAS Registry Number.
57625-06-6Relevant academic research and scientific papers
Process for the conversion of penicillin S-oxide into a corresponding desatoxycephalosporin
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, (2008/06/13)
A penicillin S-oxide is rearranged into the corresponding desacetoxycephalosporin compound by heating said penicillin S-oxide at a temperature of from 70 to 140°C in the presence of a sulfoxide of formula R1 -SO-R2, preferably dimeth