Cas 72033-20-6,2-benzyl-5,7-dibenzyloxy-1-(3,4,5-trimethoxybenzyl)-1,2-dihydroisoquinoline

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Check Digit Verification of cas no

The CAS Registry Mumber 72033-20-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,0,3 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 72033-20:
(7*7)+(6*2)+(5*0)+(4*3)+(3*3)+(2*2)+(1*0)=86
86 % 10 = 6
So 72033-20-6 is a valid CAS Registry Number.

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71484-53-2 2-Benzyl-5,7-bis-benzyloxy-1-(3,4,5-trimethoxy-benzyl)-1,2,3,4-tetrahydro-isoquinoline

72033-20-6Relevant academic research and scientific papers

A NEW ONE-POT SYNTHESIS OF 1-ARYLMETHYL-1,2,3,4-TETRAHYDROISOQUINOLINE DERIVATIVES FROM ISOQUINOLINIUM SALTS

Iwakuma, Takeo,Yamada, Koichiro,Itoh, Nobuo,Sugasawa, Shigehiko

, p. 1115 - 1118 (2007/10/02)

There has been described a new one-pot synthesis of 1-arylmethyl-1,2,3,4-tetrahydroisoquinoline derivatives by the Barbier reaction of the quaternary salt (4) with various arylmethyl halides followed by reduction with sodium monoacetoxyborohydride.

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