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1313054-66-8

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1313054-66-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1313054-66-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,3,0,5 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1313054-66:
(9*1)+(8*3)+(7*1)+(6*3)+(5*0)+(4*5)+(3*4)+(2*6)+(1*6)=108
108 % 10 = 8
So 1313054-66-8 is a valid CAS Registry Number.

1313054-66-8Upstream product

1313054-66-8Downstream Products

1313054-66-8Relevant articles and documents

Preparation method of tryptophan oxide

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Paragraph 0015; 0017; 0019, (2021/03/24)

The invention discloses a preparation method of tryptophan oxide as shown in a formula I which is described in the specification. According to the preparation method, N-tert-butyloxycarbonyl-L-tryptophan is used as a starting raw material, and is subjected to esterification, oxidation and deprotection so as to obtain the tryptophan oxide . According to the invention, the whole process route is reasonable in design, raw materials are low in cost, reaction conditions are mild, and operability is high; and the prepared tryptophan oxide can be used for quality control of commodities containing tryptophan components and has important application value.

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