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1312297-21-4

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1312297-21-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1312297-21-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,2,2,9 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1312297-21:
(9*1)+(8*3)+(7*1)+(6*2)+(5*2)+(4*9)+(3*7)+(2*2)+(1*1)=124
124 % 10 = 4
So 1312297-21-4 is a valid CAS Registry Number.

1312297-21-4Downstream Products

1312297-21-4Relevant articles and documents

A simple synthesis of 4-substituted 2,3-benzoxazinones from C-2 arylated 1,3-indanediones

Das, Suven,Koley, Pradyot,Pramanik, Animesh

experimental part, p. 3243 - 3246 (2011/06/28)

A simple one-pot procedure for the conversion of 2-hydroxy-2-(2′- hydroxy-aryl)-1,3-indanediones to 4-substituted benzoxazinones has been developed. The process constitutes an interesting acid-catalyzed rearrangement followed by condensation with hydroxyl

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