71898-88-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71898-88-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,8,9 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 71898-88:
(7*7)+(6*1)+(5*8)+(4*9)+(3*8)+(2*8)+(1*8)=179
179 % 10 = 9
So 71898-88-9 is a valid CAS Registry Number.
71898-88-9Relevant articles and documents
Studies on Aromatic Sesquiterpenes. XI. Synthesis of 7-Isopropyl-3,5-dimethyl-1-naphthol
Tanaka, Juichi,Adachi, Kazuo
, p. 2102 - 2104 (2007/10/02)
Starting from m-cresol, the title new naphthol was synthesized through 4-methyl-3-(2-methoxy-4-methylbenzoyl)pentanoic acid as a key intermediate.