90221-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90221-47-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,2,2 and 1 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90221-47:
(7*9)+(6*0)+(5*2)+(4*2)+(3*1)+(2*4)+(1*7)=99
99 % 10 = 9
So 90221-47-9 is a valid CAS Registry Number.
90221-47-9Relevant academic research and scientific papers
Zavarzin,Yarovenko,Chernoburova,Krayushkin
, p. 415 - 419 (2004)
A convenient method for the synthesis of monothiooxamides by the reaction of chloroacetamides with a solution of elemental sulfur in amines was developed.