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80283-32-5

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80283-32-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80283-32-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,2,8 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 80283-32:
(7*8)+(6*0)+(5*2)+(4*8)+(3*3)+(2*3)+(1*2)=115
115 % 10 = 5
So 80283-32-5 is a valid CAS Registry Number.

80283-32-5Relevant articles and documents

4-ω-BROMOALKAPOLYENYLMETHYL KETONES-II; USE OF 5-BROMO-3-PENTEN-2-ONE ETHYLENE KETAL AS A C5-SYNTHON

Camps, J.,Font, J.,March, P. De

, p. 2493 - 2500 (2007/10/02)

The preparation of the phosphonium salt and the dimethyl-phosphonate of (E)-5-bromo-3-penten-2-one ethylene ketal, 6 and 7, is described.These C5-isoprenoid synthons were condensed with several aldehydes and ketones giving mixtures of the corresponding E

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