126891-43-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126891-43-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,8,9 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 126891-43:
(8*1)+(7*2)+(6*6)+(5*8)+(4*9)+(3*1)+(2*4)+(1*3)=148
148 % 10 = 8
So 126891-43-8 is a valid CAS Registry Number.
126891-43-8Relevant articles and documents
SYNTHESIS OF CONDENSED AZAHETEROCYCLES DERIVED FROM 2,3-DICHLOROPYRAZINE
Litvinenko, S. V.,Volovenko, Yu. M.,Savich, V. I.,Babichev, F. S.
, p. 93 - 97 (1992)
A study was carried out on the reaction of 2,3-dichloropyrazine with compounds containing an activated methylene group.The reaction course and structure of the final products are a function of the nucleophile.