1339800-80-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1339800-80-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,9,8,0 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1339800-80:
(9*1)+(8*3)+(7*3)+(6*9)+(5*8)+(4*0)+(3*0)+(2*8)+(1*0)=164
164 % 10 = 4
So 1339800-80-4 is a valid CAS Registry Number.
1339800-80-4Relevant articles and documents
Transition-metal-free synthesis of oxindoles by potassium tert-butoxide-promoted intramolecular α-arylation
Beyer, Astrid,Buendia, Julien,Bolm, Carsten
experimental part, p. 3948 - 3951 (2012/10/08)
Potassium tert-butoxide-mediated intramolecular α-arylations of fluoro- and chloro-substituted anilides provide oxindoles in DMF at 80 °C. In this manner, diversely substituted products have been obtained in moderate to high yields.
