93098-04-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93098-04-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,0,9 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 93098-04:
(7*9)+(6*3)+(5*0)+(4*9)+(3*8)+(2*0)+(1*4)=145
145 % 10 = 5
So 93098-04-5 is a valid CAS Registry Number.
93098-04-5Relevant articles and documents
An Unusual Reaction of a Phosphorane with Benzoins: Formation of 1,2-Dicarbonyl and 1,4-Dicarbonyl Compounds
Ranade, A. C.,Mali, R. S.,Kurnawal, V. M.
, p. 514 - 517 (2007/10/02)
Benzoins (1a-e) on reaction with carbethoxymethylenetriphenylphosphorane (2) furnish hydroxy esters (3a-e) and butenolides (4a and 4e) along with the unusual products, benzils (5a-e) and ketoesters (6a-e) as major product.
