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23603-67-0

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23603-67-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23603-67-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,6,0 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 23603-67:
(7*2)+(6*3)+(5*6)+(4*0)+(3*3)+(2*6)+(1*7)=90
90 % 10 = 0
So 23603-67-0 is a valid CAS Registry Number.

23603-67-0Relevant articles and documents

POLYAZACYCLIC COMPOUNDS. PART I. SYNTHESIS OF ARYLSULFONYL DERIVATIVES OF 1,4,7,10-TETRAAZACYCLODODECANE AND 1-OXA-4,7,10-TRIAZACYCLODODECANE SUBSTITUTED AT REQUIRED NITROGEN ATOMS

Sienkiewicz, Juliusz,Goss, Ewa,Stanczak, Andrzej

, p. 77 - 86 (2007/10/02)

A method of preparation of new polyazamacrocyclic compounds substituted at required nitrogen atoms is given based on the example of synthesis of the title derivatives.The method consists in the cyclocondensation of substrates, of which at least one has a tertiary amino group present in the macrocyclic compound.

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