98664-98-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98664-98-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,6,6 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 98664-98:
(7*9)+(6*8)+(5*6)+(4*6)+(3*4)+(2*9)+(1*8)=203
203 % 10 = 3
So 98664-98-3 is a valid CAS Registry Number.
98664-98-3Relevant articles and documents
TOTAL SYNTHESIS OF (+/-)-α-CYCLOPIAZONIC ACID
Muratake, Hideaki,Natsume, Mitsutaka
, p. 1111 - 1117 (2007/10/02)
(+/-)-α-Cyclopiazonic acid (2) was synthesized from 1-methoxycarbonyl-4-(3-oxo-1-butyl)indole (1) by way of 17, 18, and 19 using a reaction of MeLi with a pyrroline derivative 33 in the presence of BF3*Et2O.
