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77412-11-4

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77412-11-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77412-11-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,1 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77412-11:
(7*7)+(6*7)+(5*4)+(4*1)+(3*2)+(2*1)+(1*1)=124
124 % 10 = 4
So 77412-11-4 is a valid CAS Registry Number.

77412-11-4Relevant articles and documents

The Formation of Allyl Sulphides by Phenylthio-migration: Control by Silicon

Fleming, Ian,Paterson, Ian,Pearce, Andrew

, p. 256 - 262 (2007/10/02)

When γ-silyl-β-phenylthio-alcohols are treated with acid, the strategically placed silyl group encourages the rearrangement of the phenylthio-group, both from a secondary migration origin to a secondary migration terminus, and from a secondary migration origin to a tertiary migration terminus (4)->(6).Geraniol/nerol (12) and linalool (14) have been synthesised from a common intermediate (11) using this type of reaction.Phenylthio-migration from a tertiary migration origin (17)->(3) can be controlled to a limited extent by a suitably placed silyl group, but it is easier to achieve direct β-elimination of the silyl and phenylthio-groups (17)->(18).

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