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99179-70-1

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99179-70-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99179-70-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,1,7 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 99179-70:
(7*9)+(6*9)+(5*1)+(4*7)+(3*9)+(2*7)+(1*0)=191
191 % 10 = 1
So 99179-70-1 is a valid CAS Registry Number.

99179-70-1Relevant articles and documents

The ortho-Acetoxylation of Phenols by Copper(II) Acetate

Takizawa, Yasuomi,Tateishi, Akira,Sugiyama, Junichi,Yoshida, Hiroyuki,Yoshihara, Nobutoshi

, p. 104 - 105 (2007/10/02)

Oxidation of p-methoxyphenols and 6-chromanols by copper(II) acetate in acetic acid gave the corresponding o-acetoxyphenols and 5-acetoxy-6-chromanols, which were easily hydrolysed in MeOH-H2O containing HCl to give catechol-type phenols.

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