97033-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97033-03-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,0,3 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 97033-03:
(7*9)+(6*7)+(5*0)+(4*3)+(3*3)+(2*0)+(1*3)=129
129 % 10 = 9
So 97033-03-9 is a valid CAS Registry Number.
97033-03-9Relevant articles and documents
Synthetic carbapenem antibiotics III. 1-Methyl thienamycin
Shih,Cama,Christensen
, p. 587 - 590 (2007/10/02)
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.