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1620820-76-9

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1620820-76-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1620820-76-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,8,2 and 0 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1620820-76:
(9*1)+(8*6)+(7*2)+(6*0)+(5*8)+(4*2)+(3*0)+(2*7)+(1*6)=139
139 % 10 = 9
So 1620820-76-9 is a valid CAS Registry Number.

1620820-76-9Downstream Products

1620820-76-9Relevant articles and documents

Nucleophilic addition of Lewis acid complexed α-amino carbanions to arynes: Synthesis of 1-aryl- N -methyl-1,2,3,4-tetrahydroisoquinolines

Singh, Kamal Nain,Singh, Paramjit,Sharma, Esha,Deol, Yadwinder Singh

, p. 1739 - 1750 (2014/07/08)

The direct C-1 arylation of N-methyl-1,2,3,4-tetrahydroisoquinolines via coupling of α-amino carbanions derived from Lewis acid complexed tetrahydroisoquinolines and in situ generated arynes is described. This process provides an easy access to the title compounds and a new synthetic route to (±)-cryptostyline alkaloids. Georg Thieme Verlag Stuttgart New York.

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