1238767-49-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1238767-49-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,8,7,6 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1238767-49:
(9*1)+(8*2)+(7*3)+(6*8)+(5*7)+(4*6)+(3*7)+(2*4)+(1*9)=191
191 % 10 = 1
So 1238767-49-1 is a valid CAS Registry Number.
1238767-49-1Relevant articles and documents
A convenient synthesis of quinazoline derivatives via cascade imino-Diels-Alder and oxidation reaction
Chen, Xue Ming,Wei, Hui,Yin, Lu,Li, Xing Shu
, p. 782 - 786 (2010)
Quinazoline derivatives were synthesized from a-iminoesters via a cascade imino-Diels-Alder and then oxidation reaction catalyzed with CuBr2. This method provided a new strategy for preparing quinazoline derivatives which may be useful in the s
