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137258-33-4

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137258-33-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137258-33-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,2,5 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137258-33:
(8*1)+(7*3)+(6*7)+(5*2)+(4*5)+(3*8)+(2*3)+(1*3)=134
134 % 10 = 4
So 137258-33-4 is a valid CAS Registry Number.

137258-33-4Relevant articles and documents

Synthesis and C70 complexation studies of a fluorescent 5,5'-bi-p-tert-butylcalix[4]arene scaffold

Golan, Amos,Goldberg, Israel,Vigalok, Arkadi

, p. 526 - 535 (2016)

In this paper, we report the synthesis and C70 complexation studies of a new fluorescent 5,5'-bi-p-tert-butylcalix[4]arene capsule with an extended hydrophobic cavity. The synthetic route required development of a series of selective protection and de-pro

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