120517-39-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120517-39-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,5,1 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 120517-39:
(8*1)+(7*2)+(6*0)+(5*5)+(4*1)+(3*7)+(2*3)+(1*9)=87
87 % 10 = 7
So 120517-39-7 is a valid CAS Registry Number.
120517-39-7Relevant articles and documents
Preparation of New Complexing Agents Containing a Highly Conjugated Ethynylated Pyridine Subunit
Haenninen, Elina,Takalo, Harri,Kankare, Jouko
, p. 614 - 619 (2007/10/02)
Highly conjugated 4-ethynyl derivatives of 2,6-pyridinedicarboxylic acid and 2,6-bispyridine have been prepared using coupling reactions between 4-bromo- and 4-ethylnyl-pyridines and acetylenes in the presence of a small