135120-25-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135120-25-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,1,2 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 135120-25:
(8*1)+(7*3)+(6*5)+(5*1)+(4*2)+(3*0)+(2*2)+(1*5)=81
81 % 10 = 1
So 135120-25-1 is a valid CAS Registry Number.
135120-25-1Relevant articles and documents
SYNTHESIS OF 6,7-DISUBSTITUTED PTERIDINE-2,4-DIONES
Vicentini, Chiara B.,Veronese, Augusto C.,Guarneri, Mario,Giori, Paolo
, p. 79 - 84 (2007/10/02)
The reaction of pyrimidooxadiazin-3(5H)-one (1) with carbon nucleophiles afforded pteridine-2,4-diones (3) bearing a variety of substituents unequivocally positioned in the pyrazine ring.
