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142987-64-2

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142987-64-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142987-64-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,9,8 and 7 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 142987-64:
(8*1)+(7*4)+(6*2)+(5*9)+(4*8)+(3*7)+(2*6)+(1*4)=162
162 % 10 = 2
So 142987-64-2 is a valid CAS Registry Number.

142987-64-2Downstream Products

142987-64-2Relevant articles and documents

CYCLOADDITION OF ANHYDRO BASES OF HETEROCYCLIC CATIONS. 2. SYNTHESIS OF SPIROCYCLIC AND CARCASS STRUCTURES IN THE REACTION OF s-TETRAZINES WITH THE ANHYDRO BASE OF QUATERNARY LEPIDINIUM SALT

Kovalev, E.G.,Rusinov, G.L,Aleksandrov, G.G.,Anufriev, V.A.,Sidorov, E.O.,Chernyshev, A.I.

, p. 1247 - 1252 (2007/10/02)

The anhydro base of N-methylepidinium salt reacts with s-tetrazines to give spiro hetarenes with 4,5- and 1,4-dihydropyridazine structures.The regioselectivity of the cycloaddition was established.In addition to spiro annelation, intramolecular cyclizatio

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