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128926-56-7

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128926-56-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128926-56-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,2 and 6 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128926-56:
(8*1)+(7*2)+(6*8)+(5*9)+(4*2)+(3*6)+(2*5)+(1*6)=157
157 % 10 = 7
So 128926-56-7 is a valid CAS Registry Number.

128926-56-7Relevant articles and documents

Cupped Azacyclophanes Based on a m-Terphenyl Framework: Conformational Features of Their N-Tosylamide Precursors

Vinod, Thottumkara K.,Hart, Harold

, p. 5461 - 5466 (2007/10/02)

Tetrabromomethyl m-terphenyl 4 was used to construct tetrakis-N-tosylamide cuppedophanes 8-10 and, by detosylation, the corresponding tetraazacuppedophanes 17-19.The para- and meta-bridged tosylamides 8 and 9 are conformationally rigid, but the ortho-brid

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