89897-54-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89897-54-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,9 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 89897-54:
(7*8)+(6*9)+(5*8)+(4*9)+(3*7)+(2*5)+(1*4)=221
221 % 10 = 1
So 89897-54-1 is a valid CAS Registry Number.
InChI:InChI=1/C7H10N4O3/c1-2-14-6(13)4-3-9-7(11-8)10-5(4)12/h3H,2,8H2,1H3,(H2,9,10,11,12)
89897-54-1Relevant articles and documents
N- vs. S-PTC alkylation of 5-carboethoxy-2-thiouracil and its reactivity towards some nucleophilic reagents
Hassan,Mohamed,Shiba,Abou El-Regal,Khalil
, p. 2497 - 2504 (2007/10/03)
The reactivity of 5-carboethoxy-2-thiouracil (1) toward alkylation by different organohalogen compounds under phase-transfer catalysis (PTC) conditions has been investigated to give S-monoalkylated products and/or simultaneous S- and N-dialkylated product