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74638-52-1

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74638-52-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74638-52-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,3 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 74638-52:
(7*7)+(6*4)+(5*6)+(4*3)+(3*8)+(2*5)+(1*2)=151
151 % 10 = 1
So 74638-52-1 is a valid CAS Registry Number.

74638-52-1Downstream Products

74638-52-1Relevant articles and documents

New Ketone Synthesis via β-Hydroxy o-Nitrophenyl Selenoxides; a One-step Synthesis of Deoxy-keto Sugars

Furuichi, Kimiaki,Yogai, Sadamu,Miwa, Toshio

, p. 66 - 68 (1980)

β-Hydroxy o-nitrophenyl selenides and their O-alkyl or O-acyl derivatives were prepared and converted into ketones or the corresponding enol derivatives in satisfactory yields; these reactions were applied to the synthesis of sugar derivatives.

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