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16157-34-9

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16157-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16157-34-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,1,5 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 16157-34:
(7*1)+(6*6)+(5*1)+(4*5)+(3*7)+(2*3)+(1*4)=99
99 % 10 = 9
So 16157-34-9 is a valid CAS Registry Number.

16157-34-9Downstream Products

16157-34-9Relevant articles and documents

Synthesis and characterization of novel stilbene derivatives with 1,3,4-oxadiazole unit

He, Dao-Hang,Zhu, Yong-Chuang,Yang, Zhuo-Ru,Hu, Ai-Xi

experimental part, p. 268 - 270 (2009/12/04)

Four novel stilbene derivatives containing 1,3,4-oxadiazole unit have been synthesized in four steps with overall yields (2735%). The synthetic route involved one-step installation of 2,5-di-p-tolyl-1,3,4-oxadiazol via the direct coupling of p-toluic acid

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