859132-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859132-83-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,1,3 and 2 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 859132-83:
(8*8)+(7*5)+(6*9)+(5*1)+(4*3)+(3*2)+(2*8)+(1*3)=195
195 % 10 = 5
So 859132-83-5 is a valid CAS Registry Number.
859132-83-5Relevant articles and documents
Chemistry of 3-hetarylcoumarins 3*. Synthesis and aminomethylation of 7'-hydroxy-3, 4'- bicoumarins
Frasinyuk,Bondarenko,Khilya
, (2012)
An improved procedure for the synthesis of 7?-hydroxy-3, 4?-bicoumarins has been developed. Their 8?-aminomethyl derivatives were obtained by interaction with aminals.
