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75107-38-9

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75107-38-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75107-38-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,1,0 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 75107-38:
(7*7)+(6*5)+(5*1)+(4*0)+(3*7)+(2*3)+(1*8)=119
119 % 10 = 9
So 75107-38-9 is a valid CAS Registry Number.

75107-38-9Downstream Products

75107-38-9Relevant articles and documents

Selective Bromination of Polyenes by 2,4,4,6-tetrabromocyclohexa-2,5-dienone

Kato, Tadahiro,Ichinose, Isao

, p. 1051 - 1056 (2007/10/02)

2,4,4,6-Tetrabromocyclohexa-2,5-dienone (TBCO) liberates bromonium ion when treated with polyenes to form brominated products.The results of the reaction of TBCO with simple olefins are presented.The analogous bromo-ketones, 4-bromo-2,4,6-trichloro- and 2,4,6-tribromo-4-methyl-cyclohexa-2,5-dienone, (4) and (5) respectively, afford the same products (3a), (6), and (7) when treated with geranyl cyanide (1; R = CN).The evidence suggests that formation of the dibromide (3a) may be due to sequential reactions.TBCO in the presence of cetyltrimethylammonium bromide serves as an excellent reagent for selective bromination of polyenes under very mild conditions.

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