104690-50-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104690-50-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,6,9 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 104690-50:
(8*1)+(7*0)+(6*4)+(5*6)+(4*9)+(3*0)+(2*5)+(1*0)=108
108 % 10 = 8
So 104690-50-8 is a valid CAS Registry Number.
104690-50-8Relevant articles and documents
Reactions of 2,3-Diamino-4(3H)-pyrimidinones. II
Hlavka, Joseph J.,Bitha, Panayota,Lin, Yang-i,Strohmeyer, Timothy
, p. 1317 - 1322 (2007/10/02)
The reaction of 2,3-diamino-4(3H)-pyrimidinones with α,β-diketones and orthoesters is described.