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199008-02-1

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199008-02-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 199008-02-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,0,0 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 199008-02:
(8*1)+(7*9)+(6*9)+(5*0)+(4*0)+(3*8)+(2*0)+(1*2)=151
151 % 10 = 1
So 199008-02-1 is a valid CAS Registry Number.

199008-02-1Downstream Products

199008-02-1Relevant articles and documents

Alkylidene-2H-pyrans by thermal electrocyclic ring closure of (2Z)-divinylallenals

De Lera, Angel R.,Torrado, Alicia,Rey, Jose Garcia,Lopez, Susana

, p. 7421 - 7424 (2007/10/03)

Electrocyclic ring closure of (2Z)-divinylallenals 8 (including the retroretinal derivative 8a), afforded the corresponding alkylidene-2H-pyrans, under very mild conditions (25°C, 48 h). Initially, an equilibrium between 8a and the kinetic product E-9a wa

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