134692-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134692-18-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,6,9 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 134692-18:
(8*1)+(7*3)+(6*4)+(5*6)+(4*9)+(3*2)+(2*1)+(1*8)=135
135 % 10 = 5
So 134692-18-5 is a valid CAS Registry Number.
134692-18-5Relevant articles and documents
An efficient synthesis of ketone enol ethers mediated by N-(1-alkoxyalkyl)benzotriazoles
Katritzky,Bayyuk,Rachwal
, p. 279 - 283 (2007/10/02)
A new general method for the transformation of ketones into their enol ethers in good yield is developed via elimination of benzotriazole from N-(1-alkoxyalkyl)benzotriazole intermediates.