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180715-66-6

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180715-66-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 180715-66-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,7,1 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 180715-66:
(8*1)+(7*8)+(6*0)+(5*7)+(4*1)+(3*5)+(2*6)+(1*6)=136
136 % 10 = 6
So 180715-66-6 is a valid CAS Registry Number.

180715-66-6Relevant articles and documents

Stereoselective synthesis of (S)-MPPG, (S)-MTPG and (S)-(+)-αM4CPG from (R)-4-hydroxyphenylglycine

Ma, Dawei,Tian, Hongqi

, p. 3493 - 3496 (1997)

(R)-4-Hydroxyphenylgrycine was protected with a benzyl group and a methyl group was introduced at the α position by using the self-regeneration-of-stereocentre method. After the 4-hydroxy group had been converted into the corresponding trifluoromethanesulfonate (triflate), three palladium-catalyzed reactions were employed to furnish (S)-α-methyl-4-phosphonophenylglycine [(S)-MPPG], (S)-α-methyl-4-(tetrazol-5-yl)phenylglycine [(S)-MTPG] and (S)-4-carboxyphenyl-α-methylglycine [(S)-αM4CPG], a class of new and selective antagonists of metabotropic glutamate receptors.

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