1195865-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1195865-20-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,5,8,6 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1195865-20:
(9*1)+(8*1)+(7*9)+(6*5)+(5*8)+(4*6)+(3*5)+(2*2)+(1*0)=193
193 % 10 = 3
So 1195865-20-3 is a valid CAS Registry Number.
1195865-20-3Relevant articles and documents
METHOD FOR PREPARING A COUMARIN COMPOUND, CHROMENE COMPOUND, AND METHOD FOR PREPARING A CHROMENE COMPOUND
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Page/Page column 10, (2012/04/18)
Disclosed herein is a method for preparing a coumarin compound of formula (F), in which R1, R2, and R3 are independently H, C1?C7 alkoxy, C1?C7 alkyl, phenoxy, benzyloxy, or a ha
