197861-27-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197861-27-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,8,6 and 1 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 197861-27:
(8*1)+(7*9)+(6*7)+(5*8)+(4*6)+(3*1)+(2*2)+(1*7)=191
191 % 10 = 1
So 197861-27-1 is a valid CAS Registry Number.
197861-27-1Relevant articles and documents
Indeno[1,2-d]pyrimidin-4-yl-amines
Goerlitzer,Herbig,Walter
, p. 670 - 672 (2007/10/03)
The 2-acyl-3-aminoindenes 1 and 2 react with formamidine acetate to yield the indeno[1,2-d]pyrimidines 3 and 4. The 4-chloropyrimidine 5, synthesized from 4 with phosphorous oxychloride, reacts with N-nucleophiles to form the title compounds 6-8. Only 8 s