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862891-40-5

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862891-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 862891-40-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,2,8,9 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 862891-40:
(8*8)+(7*6)+(6*2)+(5*8)+(4*9)+(3*1)+(2*4)+(1*0)=205
205 % 10 = 5
So 862891-40-5 is a valid CAS Registry Number.

862891-40-5Upstream product

862891-40-5Relevant articles and documents

Stereoselective synthesis of the conformationally constrained glutamate analogue, (-)-(2R,3S)-cis-2-carboxyazetidine-3-acetic acid, from (S)-N-tosyl-2-phenylglycine

Burtoloso, Antonio Carlos B.,Correia, Carlos Roque D.

, p. 1559 - 1562 (2005)

The stereoselective synthesis of a novel cis conformationally constrained glutamate analogue containing an azetidine framework was accomplished from (S)-N-tosyl-2-phenylglycine in moderate overall yield. The key steps in the synthesis involved a N-H carbe

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