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906716-81-2

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906716-81-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 906716-81-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,6,7,1 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 906716-81:
(8*9)+(7*0)+(6*6)+(5*7)+(4*1)+(3*6)+(2*8)+(1*1)=182
182 % 10 = 2
So 906716-81-2 is a valid CAS Registry Number.

906716-81-2Relevant articles and documents

PROTECTIVE GROUP, ORGANIC SYNTHESIS METHOD, PROTECTIVE GROUP INTRODUCTION METHOD AND PROTECTOR

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Paragraph 0053, (2016/11/07)

PROBLEM TO BE SOLVED: To provide a protective group which inhibits the dissolution of a protector in a water layer side and allows protectors to be obtained with good yields. SOLUTION: This invention relates to a protective group of a functional group used for an organic synthesis method, the protective group represented by general formula (1), an organic synthesis method using the protective group, a protective group introduction method and a protector. (In the general formula (1), R1 to R7 independently represent a hydrogen atom or an alkyl group having 5 or less carbon atoms, and at least one of R1 to R7 represents an alkyl group having 5 or less carbon atoms.) COPYRIGHT: (C)2015,JPOandINPIT

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