901661-39-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 901661-39-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,1,6,6 and 1 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 901661-39:
(8*9)+(7*0)+(6*1)+(5*6)+(4*6)+(3*1)+(2*3)+(1*9)=150
150 % 10 = 0
So 901661-39-0 is a valid CAS Registry Number.
901661-39-0Relevant articles and documents
Facile approach to the synthesis of substituted thieno[2,3-d]pyrimidin-4- ones
Hovhannisyan, Anna,Aristakesyan, Lilit,Melikyan, Gagik
, p. 253 - 256 (2013/05/09)
Condensation of Gewald's thiophenes substituted with a dimethylaminomethyleneamino group at position 2 with primary amines yields 5/6-aryl-thieno[2,3-d] pyrimidin-4-ones with variable substituents at the N3 position.
