126292-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126292-71-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,2,9 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 126292-71:
(8*1)+(7*2)+(6*6)+(5*2)+(4*9)+(3*2)+(2*7)+(1*1)=125
125 % 10 = 5
So 126292-71-5 is a valid CAS Registry Number.
126292-71-5Relevant articles and documents
New Synthesis of Macrocyclic Crown-Formazans from Pyruvic Acid Derivatives
Ibrahim, Yehia A.,Elwahy, Ahmed H. M.,Abbas, Ashraf A.
, p. 11489 - 11498 (2007/10/02)
The macrocyclic crown-formazans 7a-c, 12a-g were prepared by the azo-coupling of the appropriate bis-diazonium salts 4a-c with pyruvic acid and arylpyruvic acids 8a-c.The ready accessability of the latters offers an easy access towards 1,5-symmetrically d
