94742-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94742-47-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,7,4 and 2 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 94742-47:
(7*9)+(6*4)+(5*7)+(4*4)+(3*2)+(2*4)+(1*7)=159
159 % 10 = 9
So 94742-47-9 is a valid CAS Registry Number.
94742-47-9Relevant articles and documents
FURANS IN SYNTHESIS 4. SILYL FURANS AS BUTENOLIDE EQUIVALENTS
Tanis, Steven P.,Head, David B.
, p. 4451 - 4454 (1984)
The preparation and utilization of butenolide anion equivalents 5 and 6 in alkylation sequences is described.Treatment with CH3CO3H unmasks a latent butenolide moiety providing a general route to 3- and 4-alkyl 2(5H)-furanones.
