92607-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 92607-87-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,6,0 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 92607-87:
(7*9)+(6*2)+(5*6)+(4*0)+(3*7)+(2*8)+(1*7)=149
149 % 10 = 9
So 92607-87-9 is a valid CAS Registry Number.
92607-87-9Relevant articles and documents
Synthese de dihydro-4,9 dipyrazolopyrazines
Lupo, Brigitte,Tarrago, Georges,Ramdani, Abdelkrim
, p. 545 - 550 (2007/10/02)
Intramolecular cyclisation of various substituted 5-halogenomethyl-1,3'(5')-dipyrazolylmethanes leads unequivocally to the corresponding 4,9-dihydrodipyrazolopyrazines.The quaternization of some of these new heterocycles with methyl iodide has been studied.