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1238518-88-1

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1238518-88-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1238518-88-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,8,5,1 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1238518-88:
(9*1)+(8*2)+(7*3)+(6*8)+(5*5)+(4*1)+(3*8)+(2*8)+(1*8)=171
171 % 10 = 1
So 1238518-88-1 is a valid CAS Registry Number.

1238518-88-1Downstream Products

1238518-88-1Relevant articles and documents

Synthesis of diheterocyclic compounds based on triazolyl methoxy phenylquinazolines via a one-pot four-component-click reaction

Dabiri, Minoo,Salehi, Peyman,Bahramnejad, Mahboobeh,Sherafat, Fatemeh

experimental part, p. 638 - 642 (2010/11/05)

A facile and highly efficient method for one-pot four-component synthesis of triazolyl methoxy phenylquinazolines is described. A mixture of aromatic propargylated aldehydes, different azides, 2-aminobenzophenone derivatives, and ammonium acetate were condensed in the presence of catalytic amounts of acidic ionic liquid, 1-methylimidazolium trifluoroacetate, ([Hmim]TFA), and Cu(OAc)2/sodium ascorbate to afford the corresponding products in excellent yields. This methodology is highly efficient for structurally diverse azides.

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