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145887-63-4

145887-63-4

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145887-63-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145887-63-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,8,8 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 145887-63:
(8*1)+(7*4)+(6*5)+(5*8)+(4*8)+(3*7)+(2*6)+(1*3)=174
174 % 10 = 4
So 145887-63-4 is a valid CAS Registry Number.

145887-63-4Relevant articles and documents

REACTION OF 1,1-DISUBSTITUTED HYDRAZINES WITH BROMINE IN THE PRESENCE OF ARYL- AND HETEROARYLNITROSO COMPOUNDS IN ACID MEDIA: A GENERAL METHOD FOR THE SYNTHESIS OF 1-ARYL(HETEROARYL)-3,3-DISUBSTITUTED TRIAZENE 1-OXIDES

Zlotin, S. G.,Prokshits, O. V.,Karpenko, N. F.,Strelenko, Yu. A.,Luk'yanov, O. A.

, p. 1400 - 1413 (2007/10/02)

We have worked out a method for the synthesis of 1,3,3-trisubstituted triazene 1-oxides based upon reaction of 1,1-disubstituted hydrazines with bromine in the presence of aryl- and heteroarylnitroso compounds in acid media.Obtained are a broad range of t

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