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67987-68-2

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67987-68-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67987-68-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,9,8 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 67987-68:
(7*6)+(6*7)+(5*9)+(4*8)+(3*7)+(2*6)+(1*8)=202
202 % 10 = 2
So 67987-68-2 is a valid CAS Registry Number.

67987-68-2Relevant articles and documents

STEREOCONTROLLED SYNTHESIS OF 6-epi-D-PURPUROSAMINE B BY IODOCYCLOCARBAMATION OF A CHIRAL Z-OLEFIN DERIVED FROM L-ALANINE AND L-MALIC ACID

Kamiyama, Keiji,Urano, Yasuharu,Kobayashi, Susumu,Ohno, Masaji

, p. 3123 - 3126 (2007/10/02)

6-epi-D-Purpurosamine B was synthesized efficiently through a chiral Z-olefin 8 derived from L-alanine and L-malic acid under complete stereochemical control by using iodocyclocarbamation as the key reaction.

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