77244-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77244-80-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,4 and 4 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 77244-80:
(7*7)+(6*7)+(5*2)+(4*4)+(3*4)+(2*8)+(1*0)=145
145 % 10 = 5
So 77244-80-5 is a valid CAS Registry Number.
77244-80-5Relevant academic research and scientific papers
Chattopadhyaya, J. B.
, p. 4113 - 4116 (1980)
A convenient procedure to synthesise the title compound in large quantity has been described using acid and acyl protecting groups at 5'-and 3'-positions respectively.
