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1638141-33-9

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1638141-33-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1638141-33-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,8,1,4 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1638141-33:
(9*1)+(8*6)+(7*3)+(6*8)+(5*1)+(4*4)+(3*1)+(2*3)+(1*3)=159
159 % 10 = 9
So 1638141-33-9 is a valid CAS Registry Number.

1638141-33-9Downstream Products

1638141-33-9Relevant articles and documents

Unexplored reactivity of 2-oxoaldehydes towards Pictet-Spengler conditions: Concise approach to β-carboline based marine natural products

Battini, Narsaiah,Padala, Anil K.,Mupparapu, Nagaraju,Vishwakarma, Ram A.,Ahmed, Qazi Naveed

, p. 26258 - 26263 (2014/07/08)

Novel reactions under Pictet-Spengler conditions between tryptophan methyl ester/tryptamine and 2-oxoaldehydes have been developed and successfully utilized for the total synthesis of Merinacarboline (A and B), Eudistomin Y1, Pityriacitrin B, Pityriacitrin, Fascaplysin and analogues.

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