101765-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101765-77-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,7,6 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 101765-77:
(8*1)+(7*0)+(6*1)+(5*7)+(4*6)+(3*5)+(2*7)+(1*7)=109
109 % 10 = 9
So 101765-77-9 is a valid CAS Registry Number.
101765-77-9Relevant academic research and scientific papers
Synthetic study of 1-substituted carbapenem antibiotics
Shibata,Iino,Tanaka,et al.
, p. 4739 - 4742 (2007/10/02)
Total synthesis of 1-substituted carbapenems is described. The key step is the reaction of acetoxyazetidinone with ketene silyl acetal.