109925-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109925-87-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,2 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 109925-87:
(8*1)+(7*0)+(6*9)+(5*9)+(4*2)+(3*5)+(2*8)+(1*7)=153
153 % 10 = 3
So 109925-87-3 is a valid CAS Registry Number.
109925-87-3Relevant academic research and scientific papers
One-Pot Synthesis of Hexatriynediamines
Faul, Dieter,Leber, Edith,Himbert, Gerhard
, p. 73 - 74 (2007/10/02)
Hexatriynediamines 4 are conveniently prepared by successive treatment of 5,6,6-trichloro-5-hexen-1,3-diamines 1 with butyllithium, cyanogen bromide and a secondary aliphatic amine.
