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116916-18-8

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116916-18-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116916-18-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,9,1 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 116916-18:
(8*1)+(7*1)+(6*6)+(5*9)+(4*1)+(3*6)+(2*1)+(1*8)=128
128 % 10 = 8
So 116916-18-8 is a valid CAS Registry Number.

116916-18-8Downstream Products

116916-18-8Relevant articles and documents

Cycloaddition of Unactivated 2-Aza-1,3-dienes with Heterocumulenes: A Convenient Route to the Synthesis of 1,3-Difunctionalized Compounds

Barluenga, Jose,Gonzalez, Francisco J.,Gotor, Vicente,Fustero, Santos

, p. 1739 - 1744 (2007/10/02)

The cycloaddition of unactivated 2-aza-1,3-dienes (2) with isocyanates and isothiocyanates (3) gives with complete regio- and chemo-selectivity 1,2-dihydropyrimidin-4(3H)-ones and -thiones (4).This is the first example of a cycloaddition of unactivated 2-

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