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1-butyl-5-phenyl-1,3,6,7,8,9-hexahydro-benzo[4,5]thieno[2,3-e][1,4]diazepin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

50509-65-4

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50509-65-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50509-65-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,5,0 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 50509-65:
(7*5)+(6*0)+(5*5)+(4*0)+(3*9)+(2*6)+(1*5)=104
104 % 10 = 4
So 50509-65-4 is a valid CAS Registry Number.

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