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114542-77-7

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114542-77-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 114542-77-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,4,5,4 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 114542-77:
(8*1)+(7*1)+(6*4)+(5*5)+(4*4)+(3*2)+(2*7)+(1*7)=107
107 % 10 = 7
So 114542-77-7 is a valid CAS Registry Number.

114542-77-7Upstream product

114542-77-7Relevant articles and documents

MILD BASIC AND HIGHLY SELECTIVE HYDROLYSIS OF AN ARYL-ALKYL 1-H-PHOSPHONATE DIESTER: PREPARATION OF THE MONO-1-H-PHOSPHONYLATED DIPEPTIDE Z-Ser(OPO2H2)-Tyr(OH)NH2.

Kuyl-Yeheskiely, E.,Tromp, C.M.,Marel, G.A. van der,Boom, J.H. van

, p. 4461 - 4464 (2007/10/02)

Basic hydrolysis (pyridine-water) of a 2,2,2-trifluoroethyl tyrosinyl 1-H-phosphonate diester affords predominantly a 2,2,2-trifluoroethyl 1-H-phosphonate mono-ester and tyrosine.The latter finding has been applied to the synthesis of a dipeptide consisting of a 1-H-phosphonylated serine and a non-1-H-phosphonylated tyrosine moiety.

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