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81763-81-7

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81763-81-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81763-81-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,6 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 81763-81:
(7*8)+(6*1)+(5*7)+(4*6)+(3*3)+(2*8)+(1*1)=147
147 % 10 = 7
So 81763-81-7 is a valid CAS Registry Number.

81763-81-7Relevant articles and documents

DIPOLE STABILIZED α-AMINO CARBANIONS. II. ALKYLATION OF TETRAHYDROISOQUINOLINES IN THE 1-POSITION.

Meyers, A. I.,Hellring, Stuart,Hoeve, Wolter Ten

, p. 5115 - 5118 (2007/10/02)

N-Formamidine derivatives of tetrahydroisoquinolines are metalated and alkylated to give 1-substituted derivatives.Regeneration of the parent amine is accomplished by several different reagents.

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