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255885-34-8

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255885-34-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 255885-34-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,5,8,8 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 255885-34:
(8*2)+(7*5)+(6*5)+(5*8)+(4*8)+(3*5)+(2*3)+(1*4)=178
178 % 10 = 8
So 255885-34-8 is a valid CAS Registry Number.

255885-34-8Downstream Products

255885-34-8Relevant articles and documents

Dehydration Studies of α- and β-Ionol. I With Hexamethylphosphoric Triamide

Whitfield, Frank B.,Sugowdz, Galina

, p. 591 - 600 (2007/10/02)

α-Ionol (2) when heated under reflux with hexamethylphosphoric triamide gave principally one product (1'E)-6-(buta-1',3'-dienyl)-1,5,5-trimethylcyclohex-1-ene (4a) together with trace quantities of the (1'Z)-isomer (4b).Under similar conditions β-Ionol (3) gave as major products (6E,2'E)- and (6Z,2'E)-6-(but-2'-enylidene)-1,5,5-trimethylcyclohex-1-ene (1a) and (1b) together with smaller quantities of (1'E)-1-(buta-1',3'-dienyl)-6,6-dimethyl-2-mehtylenecyclohexane (8) and 1,1,6-trimethyl-1,2,3,4,5,6-hexahydronaphtalene (9).Minor products from this reaction includedthe isomeric trienes (1c) and (1d).Reaction pathways are suggested for the formation of all identified products.

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