667939-86-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 667939-86-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,7,9,3 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 667939-86:
(8*6)+(7*6)+(6*7)+(5*9)+(4*3)+(3*9)+(2*8)+(1*6)=238
238 % 10 = 8
So 667939-86-8 is a valid CAS Registry Number.
667939-86-8Relevant academic research and scientific papers
QUINAZOLINONE DERIVATIVES
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Page 45-46, (2008/06/13)
A compound of formula (1): wherein: X is an oxygen or sulfur atom; R1 is an aliphatic, cycloaliphatic or cycloalkyl-alkyl-group; R2 is an optionally substituted heteroaromatic group or a -CN group; R3 is a group -(Alk
