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104739-37-9

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104739-37-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104739-37-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,7,3 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 104739-37:
(8*1)+(7*0)+(6*4)+(5*7)+(4*3)+(3*9)+(2*3)+(1*7)=119
119 % 10 = 9
So 104739-37-9 is a valid CAS Registry Number.

104739-37-9Downstream Products

104739-37-9Relevant articles and documents

Lactam Acetals: Potential Enamine Synthons in Heterocyclic Synthesis, 1. The Lactam Acetal/Ketene N,O-Acetal System in 1,3-Dipolar Cycloaddition

Moehrle, Hans,Dwuletzki, Heinz

, p. 3591 - 3599 (2007/10/02)

Lactam acetals 1 are transformed to cyclic ketene N,O-acetals 2 and react with 1,3-dipoles.Generally the resulting primary addition compounds which can be detected in some cases stabilize by alcohol elimination and yield amino-substituted condensed hetero

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