1674-27-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1674-27-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,7 and 4 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1674-27:
(6*1)+(5*6)+(4*7)+(3*4)+(2*2)+(1*7)=87
87 % 10 = 7
So 1674-27-7 is a valid CAS Registry Number.
1674-27-7Relevant academic research and scientific papers
NOVEL REACTIONS WITH CARBON SUBOXIDE. IX. ANOMALOUS BEHAVIOUR OF C3O2 IN THE SYNTHESIS OF 1,4-BIS(p-NITROPHENYL)-1,2,3-BUTATRIENE
Bonsignore, Leonardo,Loy, Giuseppe,Secci, Daniela,Cabiddu, Salvatore
, p. 625 - 626 (2007/10/02)
The butatriene, 3, instead of pentatetraene, 4, has been obtained by an anomalous Wittig reaction of carbon suboxide, 1, with the ylide 2.
