82505-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82505-83-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,5,0 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 82505-83:
(7*8)+(6*2)+(5*5)+(4*0)+(3*5)+(2*8)+(1*3)=127
127 % 10 = 7
So 82505-83-7 is a valid CAS Registry Number.
82505-83-7Relevant articles and documents
Polyynes, 3. - Synthesis of (1,3-Alkadiylnyl)amines
Feustel, Michael,Himbert, Gerhard
, p. 586 - 599 (2007/10/02)
By the reaction of (3,4,4-trichloro-3-buten-1-ynyl)amines 2 or of (pentachloro-1,3-butadienyl)-amines 4 with the twofold or threefold equimolar amount of butyllithium the corresponding lithium 4-amino-1,3-butadiynides 5 are prepared.These compounds yield