30691-45-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30691-45-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,6,9 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 30691-45:
(7*3)+(6*0)+(5*6)+(4*9)+(3*1)+(2*4)+(1*5)=103
103 % 10 = 3
So 30691-45-3 is a valid CAS Registry Number.
30691-45-3Relevant articles and documents
A SIMPLE SYNTHESIS OF 7-SUBSTITUTED 1-ACETYL-2,3-DIHYDROINDOLES
Somei, Masanori,Kawasaki, Toshiya,Ohta, Toshiharu
, p. 2363 - 2366 (1988)
7-Cyano-, 7-hydroxy-, 7-methoxycarbonyl-, 7-methyl-, 7-nitro-, and 7-phenyl-1-acetyl-2,3-dihydroindoles are prepared in two steps (or one pot) from 1-acetyl-2,3-dihydroindole.
