870152-50-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 870152-50-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,0,1,5 and 2 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 870152-50:
(8*8)+(7*7)+(6*0)+(5*1)+(4*5)+(3*2)+(2*5)+(1*0)=154
154 % 10 = 4
So 870152-50-4 is a valid CAS Registry Number.
870152-50-4Relevant articles and documents
Selective alkylation of a 6,7-dihydroxyquinazoline
Harris, Craig S.,Hennequin, Laurent F.,Kettle, Jason G.,Willerval, Olivier A.
, p. 7715 - 7719 (2007/10/03)
A convenient 3-step multi-parallel process for the preparation of 4-(3-chloro-2-fluoroanilino)-6,7-bisalkoxyquinazolines is highlighted.