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1402572-69-3

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1402572-69-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1402572-69-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,2,5,7 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1402572-69:
(9*1)+(8*4)+(7*0)+(6*2)+(5*5)+(4*7)+(3*2)+(2*6)+(1*9)=133
133 % 10 = 3
So 1402572-69-3 is a valid CAS Registry Number.

1402572-69-3Relevant articles and documents

DIARYLSULPHID BACKBONE CONTAINING PHOTOLABILE PROTECTING GROUPS

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Page/Page column 35, (2012/10/18)

The present invention relates to photoactivable protecting groups containing a diarylsulphid chromophore, a method for the synthesis thereof and their use as photoactivable protecting groups using maskless photolithography based array synthesis. wherein R2 is [Formula II] or wherein R2 is [Formula III] or [Formula IV] wherein R7 is a natural amino acid, a non-natural amino acid or an amino acid derivative forming an urethan bond to formula Ib, or wherein formula IV represents the carboxy function of a natural amino acid, a non-natural amino acid or an amino acid derivative, forming an ester bond to formula Ib.

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