86509-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86509-91-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,5,0 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 86509-91:
(7*8)+(6*6)+(5*5)+(4*0)+(3*9)+(2*9)+(1*1)=163
163 % 10 = 3
So 86509-91-3 is a valid CAS Registry Number.
86509-91-3Relevant articles and documents
Synthesis of Two 1-Naphthol Isomers Related to Emmotin-G
Veluchamy, T. P.,Rao, G. S. Krishna
, p. 1120 - 1121 (2007/10/02)
The syntheses of two possible 1-naphthol isomers (II and III) of emmotin-G (I) are described.The synthesis of II proceeds from 2,5-dimethylbenzaldehyde (VII), through the Stobbe half-ester acid (VIII) and its naphthalenic cyclodehydration product (IX).Thi
