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267421-37-4

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267421-37-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 267421-37-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,7,4,2 and 1 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 267421-37:
(8*2)+(7*6)+(6*7)+(5*4)+(4*2)+(3*1)+(2*3)+(1*7)=144
144 % 10 = 4
So 267421-37-4 is a valid CAS Registry Number.

267421-37-4Downstream Products

267421-37-4Relevant articles and documents

Synthesis of functionalised (triorganostannyl)tetrazoles: Supramolecular structures of w-[2-(triorganostannyl)tetrazol-5-yl]-pyridine (n -2, 3 or 4)1

Bhandari, Sonali,Frost, Christopher G.,Hague, Catherine E.,Mahon, Mary F.,Molloy, Kieranc

, p. 663 - 669 (2007/10/03)

Six pyridine-substituted triorganostannyltetrazoles, /i-[2-(triorganostannyl)tetrazol-5-yl]pyridine (n = 2, 3 or 4; R = Et or Bu), have been synthesized by a cycloaddition method involving R3SnN3 and w-cyanopyridine. 1,7-Bis[2-{(triorganostannyl)tetrazol-5-yl}phenyl]-l,4,7-trioxaheptane has been synthesized by the cycloaddition of tributyltin azide and 1,7-di(2-cyanophenyl)-1,4,7-trioxaheptane. The crystal structures of 3-(EtjSnN4C)C5H4N-H2O, 4-(Et3SnN4C)C5H4N and 4-(Bu3SnN4C)C5H4N-2H 2O, have been determined. While the first and third are three-dimensional arrays held together by hydrogen bonds, the supramolecular structure of the anhydrous second consists of one-dimensional helical polymers. The Royal Society of Chemistry 2000.

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