37721-35-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 37721-35-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,7,2 and 1 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 37721-35:
(7*3)+(6*7)+(5*7)+(4*2)+(3*1)+(2*3)+(1*5)=120
120 % 10 = 0
So 37721-35-0 is a valid CAS Registry Number.
37721-35-0Relevant articles and documents
A NOVEL RING TRANSFORMATION OF 5-NITROURACILS INTO 5-CARBAMOYLURACILS VIA THE RETRO-MICHAEL REACTION
Hirota, Kosaku,Kitade, Yukio,Senda, Shigeo
, p. 2409 - 2410 (1981)
Treatment of 1,3-disubstituted 5-nitrouracils(5) with malonamide in ethanolic sodium ethoxide caused a ring transformation to afford 1-substituted 5-carbamoyluracils(6) in good yields.
