639784-25-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 639784-25-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,9,7,8 and 4 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 639784-25:
(8*6)+(7*3)+(6*9)+(5*7)+(4*8)+(3*4)+(2*2)+(1*5)=211
211 % 10 = 1
So 639784-25-1 is a valid CAS Registry Number.
639784-25-1Relevant articles and documents
CHEMICAL COMPOUNDS
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, (2010/02/06)
A compound of formula (I) or a pharmaceutically acceptable salt, solvate, or hydrolysable ester thereof, wherein: (...).