949852-44-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 949852-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,9,8,5 and 2 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 949852-44:
(8*9)+(7*4)+(6*9)+(5*8)+(4*5)+(3*2)+(2*4)+(1*4)=232
232 % 10 = 2
So 949852-44-2 is a valid CAS Registry Number.
949852-44-2Relevant articles and documents
Flexible routes to thiophenes
Jullien, Helene,Quiclet-Sire, Beatrice,Tetart, Thomas,Zard, Samir Z.
supporting information, 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%).