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904686-35-7

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904686-35-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 904686-35-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,4,6,8 and 6 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 904686-35:
(8*9)+(7*0)+(6*4)+(5*6)+(4*8)+(3*6)+(2*3)+(1*5)=187
187 % 10 = 7
So 904686-35-7 is a valid CAS Registry Number.

904686-35-7Relevant articles and documents

A color version of the Hinsberg test: permethylated cyclodextrin and crown-appended azophenol for highly selective sensing of amines

Jung, Jong Hwa,Lee, Hye Young,Jung, Sung Ho,Lee, Soo Jin,Sakata, Yoshiteru,Kaneda, Takahiro

, p. 6705 - 6710 (2008)

Azophenol dyes 1-5 having the permethylated cyclodextrin and/or crown moieties have been synthesized. Compounds 1 and 2 provide critical information for discrimination among 1°-3° amines by unique color changes. Addition of 1° and 2° amines to solutions o

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