189079-84-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189079-84-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,0,7 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 189079-84:
(8*1)+(7*8)+(6*9)+(5*0)+(4*7)+(3*9)+(2*8)+(1*4)=193
193 % 10 = 3
So 189079-84-3 is a valid CAS Registry Number.
189079-84-3Relevant articles and documents
Synthesis of 3-halopyrroles
De Kimpe, Norbert,Tehrani, Kourosch Abbaspour,Stevens, Christian,De Cooman, Paul
, p. 3693 - 3706 (2007/10/03)
3-Chloro- and 3-bromo-2-arylpyrroles, which are potential physiologically active compounds in agrochemistry and pharmaceutical sciences, were efficiently prepared from the corresponding 2-aryl-1-pyrrolines by α,α-dihalogenation with N-halosuccinimides and
