74519-98-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74519-98-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,1 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 74519-98:
(7*7)+(6*4)+(5*5)+(4*1)+(3*9)+(2*9)+(1*8)=155
155 % 10 = 5
So 74519-98-5 is a valid CAS Registry Number.
74519-98-5Relevant articles and documents
Studies on Furan Derivatives. IX. Nucleophilic Substitution of 5-Nitro-2-furancarbaldehyde: Preparation of 5-Phenoxy-2-furancarbaldehydes
Tanaka, Akira,Usui, Toshinao,Shimadzu, Masaji
, p. 2846 - 2849 (2007/10/02)
5-(2-, 3-, 4-Substituted phenoxy)-2-furancarbaldehydes were prepared by the reaction of various phenoxides with 5-nitro-2-furancarbaldehyde via replacement of the nitro group.
