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20978-91-0

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20978-91-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20978-91-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,9,7 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 20978-91:
(7*2)+(6*0)+(5*9)+(4*7)+(3*8)+(2*9)+(1*1)=130
130 % 10 = 0
So 20978-91-0 is a valid CAS Registry Number.

20978-91-0Downstream Products

20978-91-0Relevant articles and documents

Synthesis and pyrolysis of tetrahydro-1,4-oxazine-3,5-diones and tetrahydro-1,4-thiazine-3,5-diones

Aitken,Farrell,Kirton

, p. 1526 - 1531 (2007/10/03)

The preparation and characterization of six 4-substituted tetrahydro-l,4-oxazine-3,5-diones and five 4-substituted tetrahydro-l,4-thiazine-3,5-diones is described. Upon flash vacuum pyrolysis at 700°C these give N-substituted acetamides and nitriles, and a mechanism for formation of these products is proposed.

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