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2913-21-5

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2913-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2913-21-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,1 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2913-21:
(6*2)+(5*9)+(4*1)+(3*3)+(2*2)+(1*1)=75
75 % 10 = 5
So 2913-21-5 is a valid CAS Registry Number.

2913-21-5Relevant articles and documents

The design of second-order nonlinear optical chromophores exhibiting blue-shifted absorption and large nonlinearities: The role of the combined conjugation bridge

Luo,Hua,Qin,Cheng,Shen,Lu,Wang,Ye

, p. 171 - 172 (2001)

Two new extended chromophoric systems, in which a 4-aminoazobenzene moiety is linked to a cyclo-bridged hexatriene electron withdrawing group, have been synthesized, and show large optical nonlinearities and unexpected blue-shifted absorption in compariso

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