-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 BWoVQphtx8pzGcjp8gaUEA5yPLyA1wpWE77uYx8FsI+oZFA5SmPzHAwMCvV4oarw
 Fewh7AAMUvYHGGbXjNCR6g==

<SEC-DOCUMENT>0001170918-06-000543.txt : 20060530
<SEC-HEADER>0001170918-06-000543.hdr.sgml : 20060529
<ACCEPTANCE-DATETIME>20060530194658
ACCESSION NUMBER:		0001170918-06-000543
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060525
FILED AS OF DATE:		20060530
DATE AS OF CHANGE:		20060530

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALPHA INNOTECH CORP
		CENTRAL INDEX KEY:			0000830736
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				581729436
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2401 MERCED ST.
		CITY:			SAN LEANDRO
		STATE:			CA
		ZIP:			94577
		BUSINESS PHONE:		5104839620

	MAIL ADDRESS:	
		STREET 1:		2401 MERCED ST.
		CITY:			SAN LEANDRO
		STATE:			CA
		ZIP:			94577

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	XTRANA INC
		DATE OF NAME CHANGE:	20010702

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BIOPOOL INTERNATIONAL INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CYTRX BIOPOOL LTD
		DATE OF NAME CHANGE:	19890716

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Chapman Lewis
		CENTRAL INDEX KEY:			0001340902

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14257
		FILM NUMBER:		06875456

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		510-483-9620

	MAIL ADDRESS:	
		STREET 1:		2401 MERCED STREET
		CITY:			SAN LEANDRO
		STATE:			CA
		ZIP:			94577
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>aic06-016_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-05-25</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000830736</issuerCik>
        <issuerName>ALPHA INNOTECH CORP</issuerName>
        <issuerTradingSymbol>APNO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001340902</rptOwnerCik>
            <rptOwnerName>Chapman Lewis</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ALPHA INNOTECH CORP</rptOwnerStreet1>
            <rptOwnerStreet2>2401 MERCED STREET</rptOwnerStreet2>
            <rptOwnerCity>SAN LEANDRO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94577</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>V.P. Global Sales &amp; Marketing</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right-to-buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.35</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-05-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>25000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2016-05-25</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>25000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>25000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The shares underlying this option shall vest and become exercisable as to 1/48th of the total shares each month beginning on
 May 25, 2006, so long as the reporting person remains an employee of or a consultant to the Issuer.</footnote>
        <footnote id="F2">Not applicable.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Lewis Chapman</signatureName>
        <signatureDate>2006-05-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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