209743-77-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 209743-77-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,7,4 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 209743-77:
(8*2)+(7*0)+(6*9)+(5*7)+(4*4)+(3*3)+(2*7)+(1*7)=151
151 % 10 = 1
So 209743-77-1 is a valid CAS Registry Number.
209743-77-1Relevant articles and documents
Process for producing arylsulfenyl halide
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Page/Page column 7-8, (2010/11/29)
A process for producing a compound of the formula (II): wherein Hal1 represents halogen and R1 and R2 each independently represents halogen, alkyl, alkoxy, nitro or cyano, which comprises allowing a halogenating agent to react with a compound of the formula (I): wherein Alk represents branched alkyl and R1 and R2 are as defined above.
