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131551-91-2

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131551-91-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131551-91-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,5,5 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131551-91:
(8*1)+(7*3)+(6*1)+(5*5)+(4*5)+(3*1)+(2*9)+(1*1)=102
102 % 10 = 2
So 131551-91-2 is a valid CAS Registry Number.

131551-91-2Relevant academic research and scientific papers

PYROCATECHIN CYCLOPHOSPHONATES AS PHOSPHORYLATING AGENTS

Nifantyev, E. E.,Kukhareva, T. S.,Soldatova, I. A.,Vasyanina, L. K.

, p. 125 - 129 (2007/10/02)

Cyclic ethers of pentavalent phosphorus acids are known to have a high electrophilicity.However, the process of the opening of cyclophsophorylated pyrocatechins has been studied only slightly.In the present work a detailed study has been carried out on th

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