81763-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81763-89-5 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 9 respectively.
Calculate Digit Verification of CAS Registry Number 81763-89:
(7*8)+(6*1)+(5*7)+(4*6)+(3*3)+(2*8)+(1*9)=155
155 % 10 = 5
So 81763-89-5 is a valid CAS Registry Number.
81763-89-5Relevant 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 (1981)
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.