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130252-82-3

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130252-82-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130252-82-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,2,5 and 2 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 130252-82:
(8*1)+(7*3)+(6*0)+(5*2)+(4*5)+(3*2)+(2*8)+(1*2)=83
83 % 10 = 3
So 130252-82-3 is a valid CAS Registry Number.

130252-82-3Relevant articles and documents

Total synthesis of milbemycins: A synthesis of (6R)-6-hydroxy-3,4- dihydromilbemycin E

Helliwell, Madeleine,Karim, Sufia,Parmee, Emma R.,Thomas, Eric J.

, p. 3636 - 3653 (2007/10/03)

Following studies using benzyloxymethyl isopropenyl ketone 5 and ethyl 3-(3-furyl)-3-oxopropanoate 6, Robinson reactions between aryloxymethyl isopropenyl ketones 19 and 5 and ethyl 3-(2-trimethylsilyl-3-furyl)-3- oxopropanoate 20 were found to be stereos

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