Cas 1258935-02-2,4-amino-5-hydroxy-2,1,3-benzoxadiazole

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Check Digit Verification of cas no

The CAS Registry Mumber 1258935-02-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,8,9,3 and 5 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1258935-02:
(9*1)+(8*2)+(7*5)+(6*8)+(5*9)+(4*3)+(3*5)+(2*0)+(1*2)=182
182 % 10 = 2
So 1258935-02-2 is a valid CAS Registry Number.

1258935-02-2Upstream product

57153-55-6 4-hydroxyimino-4,5,6,7-tetrahydro-[2,1,3]benzoxadiazole

1258935-02-2Downstream Products

1258935-03-3 7-ethyloxazolo[4,5-e][2,1,3]benzoxadiazole

1258935-02-2Relevant articles and documents

Semmler-Wolff aromatization of 4-hydroxyimino-4,5,6,7-tetrahydro-[2,1,3] benzoxadiazole and 4-hydroxyimino-4,5,6,7-tetrahydro[2,1,3]benzoxadiazole 1-oxide and some properties of the obtained amines

Samsonov,Sal'Nikov,Volodarskii

experimental part, p. 868 - 878 (2011/07/08)

The Semmler-Wolff aromatization of 4-hydroxyimino-4,5,6,7-tetrahydro[2,1,3] benzoxadiazole and its 1-oxide derivative in sulfuric acid and in acetic anhydride gave 4-amino[2,1,3]benzoxadiazole and 4-acetamido[2,1,3]benzoxadiazole 1-oxide. Some reactions o

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1258935-02-2