102203-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102203-70-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,2,0 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 102203-70:
(8*1)+(7*0)+(6*2)+(5*2)+(4*0)+(3*3)+(2*7)+(1*0)=53
53 % 10 = 3
So 102203-70-3 is a valid CAS Registry Number.
102203-70-3Relevant academic research and scientific papers
L'abbe, Gerrit,Destexhe, Rik
, p. 1614 - 1615 (1985)
The 4-imino-1,3-4H-oxazole (3) undergoes ring-opening cycloaddition reactions with electrophilic heterocumulenes by way of an extended Boulton-Katritzky scheme.
