188820-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 188820-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,8,2 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 188820-83:
(8*1)+(7*8)+(6*8)+(5*8)+(4*2)+(3*0)+(2*8)+(1*3)=179
179 % 10 = 9
So 188820-83-9 is a valid CAS Registry Number.
188820-83-9Relevant academic research and scientific papers
Synthesis of a pyrimido[4,5-b]azepine analog of 5,10-dideaza-5,6,7,8-tetrahydrofolic acid (DDATHF)
Taylor, Edward C.,Dowling, James E.
, p. 453 - 456 (2007/10/03)
The synthesis and biological evaluation of a pyrimido[4,5-b]azepine-based analog of DDATHF, a potential chemotherapeutic agent, are described.