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130138-35-1

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130138-35-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130138-35-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,1,3 and 8 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 130138-35:
(8*1)+(7*3)+(6*0)+(5*1)+(4*3)+(3*8)+(2*3)+(1*5)=81
81 % 10 = 1
So 130138-35-1 is a valid CAS Registry Number.

130138-35-1Downstream Products

130138-35-1Relevant articles and documents

Reaction of 3-amino-2H-azirines with 2-amino-4,6-dinitrophenol (picramic acid): Synthesis of quinazoline- and 1,3-benzoxazole derivatives

Villalgordo,Vincent,Heimgartner

, p. 959 - 974 (2007/10/02)

The reaction of 3-(dimethylamino)-2H-azirines 1a-c and 2-amino-4,6-dinitrophenol (picramic acid, 2) in MeCN at 0° to room temperature leads to a mixture of the corresponding 1,2,3,4-tetrahydroquinazoline-2-one 5, 3-(dimethylamino)-1,2-dihydroquinazoline 6

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