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3539-52-4

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3539-52-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3539-52-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,3 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 3539-52:
(6*3)+(5*5)+(4*3)+(3*9)+(2*5)+(1*2)=94
94 % 10 = 4
So 3539-52-4 is a valid CAS Registry Number.

3539-52-4Relevant articles and documents

Phosphorothioic acids and related compounds as surrogates for H 2S-synthesis of chiral tetrahydrothiophenes

Robertson, Forest J.,Wu, Jimmy

supporting information; experimental part, p. 2775 - 2780 (2012/03/22)

The convenient preparation of chiral tetrahydrothiophenes (THTs) in high enantiopurity via phosphorothioic acids and related compounds is reported. We consider these to be safer alternatives to the use of H2S which is a highly toxic gas. Each o

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