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158749-52-1

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158749-52-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158749-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,7,4 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 158749-52:
(8*1)+(7*5)+(6*8)+(5*7)+(4*4)+(3*9)+(2*5)+(1*2)=181
181 % 10 = 1
So 158749-52-1 is a valid CAS Registry Number.

158749-52-1Downstream Products

158749-52-1Relevant articles and documents

Synthesis and properties of new luminescent 10-carboxymethylacridinium derivatives

Sato, Naofumi

, p. 8519 - 8522 (2007/10/03)

A novel method was developed to synthesize acridinium esters having a binding functional group at N-10. An acridine ester having steric hindrance is synthesized quickly, with excellent yields, using dimethylaminopyridine as a catalyst. Alkylation of the N-10 on the acridine ring proceeds using the trifluoromethanesulfonic acid ester under mild conditions. Deprotection of the benzyl ester using acid thus enables simple, high-yield synthesis for acridinium compounds with a binding functional group at N-10.

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