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54245-91-9

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54245-91-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54245-91-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,2,4 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 54245-91:
(7*5)+(6*4)+(5*2)+(4*4)+(3*5)+(2*9)+(1*1)=119
119 % 10 = 9
So 54245-91-9 is a valid CAS Registry Number.

54245-91-9Upstream product

54245-91-9Downstream Products

54245-91-9Relevant articles and documents

OXIDATION OF AROMATIC AMINES WITH CHROMYL CHLORIDE - I OXYDATION OF AROMATIC PRIMARY AMINES

Nallaiah, C.,Strickson, J. A.

, p. 4083 - 4088 (2007/10/02)

The oxidation of aromatic primary amines with chromyl chloride in carbon tetrachloride or chloroform, results in the formation of intermediate solid adducts (Etard adducts) which, on hydrolysis, give azobenzenes(1), 1,4-benzoquinones(2), anilino-1,4-benzoquinones(3), 1,4-benzoquinone anils(4) and anilino-1,4-benzoquinone anils(5) in yields which depend on the position, nature and degree of substitution of the ring.

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