58275-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58275-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,2,7 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 58275-91:
(7*5)+(6*8)+(5*2)+(4*7)+(3*5)+(2*9)+(1*1)=155
155 % 10 = 5
So 58275-91-5 is a valid CAS Registry Number.
58275-91-5Relevant articles and documents
Synthesis of 1-alkoxy-3-buten-1-ynes and some homologues
Rijn, P. E. van,Everhardus, R. H.,Brandsma, L.
, p. 180 - 183 (2007/10/02)
1-Alkoxy-3-buten-1-ynes and the homologues RO-CC-CH=CR'R" (R' and R" = H or alkyl, or R'R" = 5) have been obtained in satisfactory yields from allenic bis-ethers RO-CH=C=CH-C(R')(R")OR and ethyllithium in diethyl ether.With excess ethyllithium, th
