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2-methoxy-3,3,4,5-tetramethyl-6-phenyl-3,5,6,6a-tetrahydro-2H-[1,2]oxaphospholo[5,4-c]pyrazole 2-oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

37740-55-9

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37740-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 37740-55-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,7,4 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 37740-55:
(7*3)+(6*7)+(5*7)+(4*4)+(3*0)+(2*5)+(1*5)=129
129 % 10 = 9
So 37740-55-9 is a valid CAS Registry Number.

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