1509927-78-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1509927-78-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,0,9,9,2 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1509927-78:
(9*1)+(8*5)+(7*0)+(6*9)+(5*9)+(4*2)+(3*7)+(2*7)+(1*8)=199
199 % 10 = 9
So 1509927-78-9 is a valid CAS Registry Number.
1509927-78-9Relevant articles and documents
Flexible routes to thiophenes
Jullien, Helene,Quiclet-Sire, Beatrice,Tetart, Thomas,Zard, Samir Z.
, p. 302 - 305 (2014/01/23)
Three convergent routes to thiophenes are described, hinging on the radical addition of α-xanthyl ketones to ethyl vinyl sulfide or to vinyl pivalate. The latter route ultimately proved to be the most versatile and efficient (61-94%).
