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67718-18-7

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67718-18-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67718-18-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,7,1 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 67718-18:
(7*6)+(6*7)+(5*7)+(4*1)+(3*8)+(2*1)+(1*8)=157
157 % 10 = 7
So 67718-18-7 is a valid CAS Registry Number.

67718-18-7Relevant articles and documents

Synthesis of functionalized furopyrazines as restricted dipeptidomimetics

Claerhout, Stijn,Sharma, Sweta,Sk?ld, Christian,Cavaluzzo, Claudia,Sandstr?m, Anja,Larhed, Mats,Thirumal, Meganathan,Parmar, Virinder S.,Van Der Eycken, Erik V.

, p. 3019 - 3029 (2012/05/31)

Herein, an efficient synthetic approach to a furopyrazine scaffold with four points of diversity, starting from 2(1H)-pyrazinones, with dipeptomimetic properties, is presented. R-groups corresponding to amino acid side chains were introduced during the 2(

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