783371-67-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 783371-67-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,3,3,7 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 783371-67:
(8*7)+(7*8)+(6*3)+(5*3)+(4*7)+(3*1)+(2*6)+(1*7)=195
195 % 10 = 5
So 783371-67-5 is a valid CAS Registry Number.
783371-67-5Relevant articles and documents
Synthesis of 2,3-dihydro-4(1H)-quinazolinones
Escalante, Jaime,Flores, Patricia,Priego, Jaime M.
, p. 2019 - 2032 (2004)
An improved procedure for the synthesis of 2-substituted 2,3-dihydro-4(1H)-quinazolinones through diastereomer separation of the corresponding quinazolinones derivatives is presented. The determination of their absolute configurations was obtained by X-Ra
