102739-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102739-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,7,3 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 102739-45:
(8*1)+(7*0)+(6*2)+(5*7)+(4*3)+(3*9)+(2*4)+(1*5)=107
107 % 10 = 7
So 102739-45-7 is a valid CAS Registry Number.
102739-45-7Relevant articles and documents
Synthesis of azinylthioureas and their heterocyclization using α-chloroacetoacetic ester
Dovlatyan,Eliazyan,Ghazaryan,Yengoyan
, p. 389 - 391 (2006)
Treatment of aminopyrimidines with a mixture of PhCOCl and NH 4SCN and subsequent debenzoylation of the N-benzoyl-N′-(4,6- substituted pyrimidin-2-yl)thioureas obtained gave pyrimidinyl-2-thioureas. The heterocyclization of the azinyl-2-thioure