653591-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 653591-75-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,3,5,9 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 653591-75:
(8*6)+(7*5)+(6*3)+(5*5)+(4*9)+(3*1)+(2*7)+(1*5)=184
184 % 10 = 4
So 653591-75-4 is a valid CAS Registry Number.
653591-75-4Relevant academic research and scientific papers
Langer, Peter,Helmholz, Falko,Schroeder, Rita
, p. 2389 - 2391 (2003)
The first unsymmetrical oxalic acid-bis(imidoyl)dichlorides were prepared and applied to the one-pot synthesis of the first unsymmetrical pyrrolo[3,2-b]pyrrole-2,5-diones and 2,2′-bis-quinazolin-4-ones.