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161772-15-2

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161772-15-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161772-15-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,7,7 and 2 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 161772-15:
(8*1)+(7*6)+(6*1)+(5*7)+(4*7)+(3*2)+(2*1)+(1*5)=132
132 % 10 = 2
So 161772-15-2 is a valid CAS Registry Number.

161772-15-2Relevant articles and documents

Phosphomonoesters and phosphodiesters derived from the photohydrolysis of 2-methoxy-5-nitrophenyl substituted phosphotriesters

Graciani, Nilsa R.,Swanson, Daniel S.,Kelly, Jeffery W.

, p. 1077 - 1086 (2007/10/02)

Phosphotriesters composed of one or two 2-methoxy-5-nitrophenyl group(s) can be quantatively photohydrolyzed in aqueous acetonitrile to yield the desired phosphodiester or phosphomonoester, respectively. Photohydrolysis occurs by attack of hydroxide at both the phosphoryl phosphorus and at the ipso-carbon in the triplet exited state of the 2-methoxy-5-nitrophenyl substituted phosphoesters. The photophysical studies described within imply that this type of reaction may be synthetically useful.

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