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93595-32-5

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93595-32-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 93595-32-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,5,9 and 5 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 93595-32:
(7*9)+(6*3)+(5*5)+(4*9)+(3*5)+(2*3)+(1*2)=165
165 % 10 = 5
So 93595-32-5 is a valid CAS Registry Number.

93595-32-5Relevant articles and documents

The Preparation of 5-(2-Aminophenyl)-1,3,4-oxadiazole-2(3H)-one and Its Rearrangement to 3-Amino-2,4(1H,3H)-quinazolinedione

Davidson, John S.

, p. 565 - 572 (2007/10/02)

When anthranilic acid hydrazide is reacted with 1,1'-carbonyldiimidazole in THF 5-(2-aminophenyl)-1,3,4-oxadiazole-2(3H)-one (4) is formed.It can also be prepared from 1-o-aminobenzoyl-4,4-dimethylsemicarbazide which eliminates methylamine when boiled with DMF.On heating the 5-(2-aminophenyl)-1,3,4-oxadiazole above its melting point it rearranges to 3-amino-2,4(1H,3H)-quinazolinedione (5). - Keywords: 3,4-Dihydro-1H-1,3,4-benzotriazepine-2,5-dione; Oxadiazoles

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