215303-07-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 215303-07-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,3,0 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 215303-07:
(8*2)+(7*1)+(6*5)+(5*3)+(4*0)+(3*3)+(2*0)+(1*7)=84
84 % 10 = 4
So 215303-07-4 is a valid CAS Registry Number.
215303-07-4Relevant articles and documents
Process for the preparation of tetrasubstituted imidazole derivatives and novel crystalline structures thereof
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, (2008/06/13)
The present invention relates to a process for preparing tetrasubstituted imidazole derivatives of the general formula (I) wherein R1, R2, R3 and R4 are as defined in the specification below. The present inventi