74671-33-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74671-33-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,7 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74671-33:
(7*7)+(6*4)+(5*6)+(4*7)+(3*1)+(2*3)+(1*3)=143
143 % 10 = 3
So 74671-33-3 is a valid CAS Registry Number.
74671-33-3Relevant articles and documents
SYNTHESIS OF 2-AMINO-3-(ω-AMINOALKYL)INDOLES
Kost, A.N.,Zabrodnyaya, V.G.,Portnov, Yu.N.,Voronin, V.G.
, p. 368 - 372 (2007/10/02)
2-Amino-3-(ω-phthalimidoalkyl)indoles have been obtained by the rearrangement of ω-phthalimido acid β-phenylhydrazides under the action of POCl3.The possibility has been studied of eliminating the phthalyl protective group from these compounds and a conve
