139591-09-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139591-09-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,5,9 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 139591-09:
(8*1)+(7*3)+(6*9)+(5*5)+(4*9)+(3*1)+(2*0)+(1*9)=156
156 % 10 = 6
So 139591-09-6 is a valid CAS Registry Number.
139591-09-6Relevant articles and documents
FORMATION OF A PYRIMIDOINDOL-1-ONE DURING FISCHER INDOLIZATION: AN UNUSUAL REARRANGEMENT
Arnone, Alberto,Cornaggia, Nicoletta,Lorenzoni, Carolina,Merlini, Lucio
, p. 515 - 517 (2007/10/02)
An unusual rearrangement of an expected 3-methylindolenine to a pyrimidoindole nucleus was observed during Fischer indolization with polyphosphoric acid methyl ester.
