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2H-Thieno[2,3-e]-1,4-diazepin-2-one, 7-ethyl-1,3-dihydro-5-(2-methoxyphenyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

33671-38-4

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33671-38-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33671-38-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,6,7 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 33671-38:
(7*3)+(6*3)+(5*6)+(4*7)+(3*1)+(2*3)+(1*8)=114
114 % 10 = 4
So 33671-38-4 is a valid CAS Registry Number.
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