121583-74-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121583-74-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,5,8 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 121583-74:
(8*1)+(7*2)+(6*1)+(5*5)+(4*8)+(3*3)+(2*7)+(1*4)=112
112 % 10 = 2
So 121583-74-2 is a valid CAS Registry Number.
121583-74-2Relevant articles and documents
Syntheses of Heterocycles with 5-Phenyl-isoxazolium Salts, III. Synthesis of Pyrroloquinazolin-5-ones
Henning, Hans-Georg,Haber, Hanka
, p. 1405 - 1414 (1988)
Refluxing of ethanol-acetic acid solutions of N-aroyl-N-methyl-benzoylacetamides 3 causes elimination of acetophenone and generation of N(1)-substituted N(3)-methyl-1H,3H-quinazoline-2,4-diones 5.In contrast, at room temperature in acetanhydride 3 elimina
