59701-90-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 59701-90-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,7,0 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 59701-90:
(7*5)+(6*9)+(5*7)+(4*0)+(3*1)+(2*9)+(1*0)=145
145 % 10 = 5
So 59701-90-5 is a valid CAS Registry Number.
59701-90-5Relevant articles and documents
Praziquantel analogs. Synthesis of substituted 4-(2-,3- and 4-R)-carboxyphenyl-1,4-pyrazin-2-ones
Martinez,Rubio,Toscano,Villalobos,Brito
, p. 1521 - 1523 (1994)
The title compounds have been synthesized in a one step reaction by condensation between 2-piperazinone with substituted benzoic acids.
