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172265-85-9

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172265-85-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172265-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,2,6 and 5 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 172265-85:
(8*1)+(7*7)+(6*2)+(5*2)+(4*6)+(3*5)+(2*8)+(1*5)=139
139 % 10 = 9
So 172265-85-9 is a valid CAS Registry Number.

172265-85-9Relevant articles and documents

The synthesis of fused benzotriazoles based on hexaaminobenzene derivatives

Khisamutdinov, G. Kh.,Korolev, V. L.,Kondyukov, I. Z.,Abdrakhmanov, I. Sh.,Smirnov, S. P.,et al.

, p. 136 - 138 (1993)

New methods for synthesis of hexaaminobenzene are proposed and, based on this compound, previously unknown preparative procedures for obtaining fused benzotriazoles are developed.

Synthesis and purification of 1,3,5-triamino-2,4,6-trinitrobenzene (TATB)

-

Page/Page column 6, (2008/06/13)

A method to convert surplus nitroarene explosives (picric acid, ammonium picrate,) into TATB is described. The process comprises three major steps: conversion of picric acid/ammonium picrate into picramide; conversion of picramide to TATB through vicarious nucleophilic substitution (VNS) of hydrogen chemistry; and purification of TATB.

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