168976-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 168976-57-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,8,9,7 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 168976-57:
(8*1)+(7*6)+(6*8)+(5*9)+(4*7)+(3*6)+(2*5)+(1*7)=206
206 % 10 = 6
So 168976-57-6 is a valid CAS Registry Number.
168976-57-6Relevant articles and documents
Synthesis of 8,9-DihydrodipyrazoloDiazocin-10(1H)-one. A New Ring System
Migliara, Onofrio,Lamartina, Liliana,Timoneri, Marina,Plescia, Salvatore
, p. 835 - 840 (2007/10/02)
8,9-Dihydrodipyrazolodiazocin-10(1H)-ones 7 were prepared by cyclization of 1-ethyl-N,3-dimethyl-4-acetamido-N-(1-R1-3-R2-1H-pyrazol-5-yl)-1H-pyrazole-5-carboxamides 6 by a Bischler-Napieralski cyclization.A complete assignment of the