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1266554-70-4

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1266554-70-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1266554-70-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,6,5,5 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1266554-70:
(9*1)+(8*2)+(7*6)+(6*6)+(5*5)+(4*5)+(3*4)+(2*7)+(1*0)=174
174 % 10 = 4
So 1266554-70-4 is a valid CAS Registry Number.

1266554-70-4Relevant articles and documents

N - substituted carbamic acid ester

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Paragraph 0102, (2017/08/29)

PROBLEM TO BE SOLVED: To provide a method of manufacturing N-substituted carbamate ester with a high yield, a high purity and high efficiency (in a short time) without generation of byproducts.SOLUTION: A method of manufacturing N-substituted carbamate ester from an organic amine, urea and an aromatic hydroxy compound includes a process of supplying a composition containing a carbonic acid derivative and the aromatic hydroxy compound to a bottom part of a reaction apparatus where a synthetic reaction of the N-substituted carbamate ester occurs.

PROCESS FOR THE PREPARATION OF N-SUBSTITUTED CARBAMIC ACID ESTER AND PROCESS FOR THE PREPARATION OF ISOCYANATE USING THE N-SUBSTITUTED CARBAMIC ACID ESTER

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, (2011/06/10)

The present invention provides a method for producing N-substituted carbamic acid-O-aryl ester derived from a compound having an ureido group, the method comprising the step of carrying out esterification or esterification and transesterification from the compound having the ureido group and a hydroxy composition containing one type or a plurality of types of hydroxy compounds.

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