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76686-20-9

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76686-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76686-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,6,8 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 76686-20:
(7*7)+(6*6)+(5*6)+(4*8)+(3*6)+(2*2)+(1*0)=169
169 % 10 = 9
So 76686-20-9 is a valid CAS Registry Number.

76686-20-9Relevant articles and documents

Measurement of xanthoxin in higher plant tissues using 13c labelled internal standards

Parry, Andrew D.,Neill, Steven J.,Horgan, Roger

, p. 1033 - 1039 (1990)

A new procedure for the reliable measurement of xanthoxin from plant tissues has been developed. This accounts for both its breakdown and its isomerization to 2-trans-xanthoxin, and relies on the use of 12C-labelled internal standards, HPLC pur

SYNTHESIS OF OPTICALLY ACTIVE 3-DIAZOACETYLRETINALS WITH TRIISOPROPYLPHENYLSULFONYLHYDRAZONE

Ok, Hyun,Caldwell, Charles,Schroeder, Daniel R.,Singh, Anil K.,Nakanishi, Koji

, p. 2275 - 2278 (2007/10/02)

An improved synthesis of photoaffinity labeled, optically active retinal derivatives is presented.A stable, easy to handle, glyoxalic acid 2,4,6-triisopropylphenylsulfonylhydrazone (TIPPS) reacts with 3-hydroxyretinal to give the diazoacetylretinal analog in satisfactory yield.

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