83973-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83973-53-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,7 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 83973-53:
(7*8)+(6*3)+(5*9)+(4*7)+(3*3)+(2*5)+(1*3)=169
169 % 10 = 9
So 83973-53-9 is a valid CAS Registry Number.
83973-53-9Relevant academic research and scientific papers
Shih,Cama,Christensen
, p. 587 - 590 (1985)
Total syntheses of 1α- and 1β-methyl thienamycin are reported. 1β-Methyl thienamycin retains the antibacterial activity of thienamycin and is highly resistant to hydrolysis by HPD-1 enzyme.
