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1226977-81-6

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1226977-81-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1226977-81-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,6,9,7 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1226977-81:
(9*1)+(8*2)+(7*2)+(6*6)+(5*9)+(4*7)+(3*7)+(2*8)+(1*1)=186
186 % 10 = 6
So 1226977-81-6 is a valid CAS Registry Number.

1226977-81-6Downstream Products

1226977-81-6Relevant articles and documents

Highly efficient Ag(I)-catalyzed regioselective tandem synthesis of diversely substituted quinoxalines and benzimidazoles in water

Rustagi, Vineeta,Aggarwal, Trapti,Verma, Akhilesh K.

supporting information; experimental part, p. 1640 - 1643 (2011/08/10)

A green and operationally simple approach for the diverse synthesis of fused quinoxalines and benzimidazoles from o-alkynylaldehydes and amines having an N-tethered nucleophile using Ag(i) as the catalyst in water, is described. The X-ray crystallographic studies confirmed the proposed mechanistic pathway and the cyclized product.

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