61226-20-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61226-20-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,2,2 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 61226-20:
(7*6)+(6*1)+(5*2)+(4*2)+(3*6)+(2*2)+(1*0)=88
88 % 10 = 8
So 61226-20-8 is a valid CAS Registry Number.
InChI:InChI=1/C12H11ClN2O/c1-8-11(12(13)16)9(2)15(14-8)10-6-4-3-5-7-10/h3-7H,1-2H3
61226-20-8Relevant articles and documents
The Direct Carboxylation of Pyrazoles
Chiriac, C. I.
, p. 753 - 755 (2007/10/02)
Various pyrazole-4-carboxylic acids 4 were obtained by a direct carboxylation reaction of pyrazoles 1 with excess, oxalyl chloride.