143019-00-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143019-00-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,0,1 and 9 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 143019-00:
(8*1)+(7*4)+(6*3)+(5*0)+(4*1)+(3*9)+(2*0)+(1*0)=85
85 % 10 = 5
So 143019-00-5 is a valid CAS Registry Number.
143019-00-5Relevant articles and documents
Synthesis and Properties of Tetrazolium-N-phenacylides. Part 2
Moderhack, Dietrich,Bode, Dirk-Ottfried
, p. 1483 - 1488 (2007/10/02)
Various 1-alkyl-5-methyl-1H-tetrazolium-4-phenacylides 3 (homologues of C) have been prepared, acylated and (thio)carbamoylated.The unstable ylide C has been acylated in situ.
