143896-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143896-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,8,9 and 6 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 143896-85:
(8*1)+(7*4)+(6*3)+(5*8)+(4*9)+(3*6)+(2*8)+(1*5)=169
169 % 10 = 9
So 143896-85-9 is a valid CAS Registry Number.
143896-85-9Relevant articles and documents
Study of the Diazoimine/Triazole Equilibria for Substituted Thiazoles and Thiadiazoles
L'abbe, Gerrit,Luyten, Ingrid,Toppet, Suzanne
, p. 713 - 717 (2007/10/02)
Several diazomethyl and diazoester substituted thiazoles and thiadiazoles were prepared and their ring/chain equilibria studied by nmr spectroscopy.The diazomethyl derivatives 17a,b,d and 19a exist predominantly or exclusively in the triazole form.Ring-op
