18268-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18268-54-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,2,6 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 18268-54:
(7*1)+(6*8)+(5*2)+(4*6)+(3*8)+(2*5)+(1*4)=127
127 % 10 = 7
So 18268-54-7 is a valid CAS Registry Number.
InChI:InChI=1/C20H14N2O4S/c23-18-11-9-13-5-1-2-6-14(13)20(18)22-21-17-10-12-19(27(24,25)26)16-8-4-3-7-15(16)17/h1-12,21H,(H,24,25,26)/b22-20-
18268-54-7Relevant articles and documents
One-pot diazo coupling reaction under microwave irradiation in the absence of solvent
Jin, Jin,Wen, Zhong,Long, Jiang,Wang, Yongmei,Matsuura, Teruo,Meng, Jiben
, p. 829 - 834 (2007/10/03)
Diazotization and coupling reactions were carried out in one pot by inducing with microwave irradiation in the absence of solvent.