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53963-18-1

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53963-18-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53963-18-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,9,6 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 53963-18:
(7*5)+(6*3)+(5*9)+(4*6)+(3*3)+(2*1)+(1*8)=141
141 % 10 = 1
So 53963-18-1 is a valid CAS Registry Number.

53963-18-1Relevant articles and documents

ACTIVATION AND SYNTHETIC APPLICATIONS OF THIOSTANNANES. THIOALKOXYLATION OF ACETALS

Sato, Tsuneo,Otera, Junzo,Nozaki, Hitosi

, p. 1209 - 1218 (1989)

The Sn-S bonds in thiostannanes, BunSn(SPh)4-n, are activated towards acetals in the presence of BF3*OEt2.Acetals of various aldehydes and ketones are converted into the corresponding monothioacetals under mild conditions.Employment of α-enal acetals induces Michael addition to give synthetically useful γ-alkoxyally sulfides.

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