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119488-23-2

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119488-23-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119488-23-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,4,8 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 119488-23:
(8*1)+(7*1)+(6*9)+(5*4)+(4*8)+(3*8)+(2*2)+(1*3)=152
152 % 10 = 2
So 119488-23-2 is a valid CAS Registry Number.

119488-23-2Relevant articles and documents

ENCOUNTER OF AN INFERIOR INTRAMOLECULAR CYCLIZATION IN AN APPROACH TOWARD THE SYNTHESIS OF 10-OXO-2-THIAMETACYCLOPHANE:PREPARATION OF TWO ISOMERIC DIOXO-2,19-DITHIAMETACYCLOPHANES

Lai, Yee-Hing,Yeo, Lay-Hoon

, p. 1629 - 1636 (2007/10/02)

The sodium sulfide coupling of 1,2-bis(3-bromomethyl)phenylethanone, prepared in seven steps from m,α-dichlorotoluene, was attempted but failed to yield the desired 10-oxo-2-thia-metacyclophane.This is attributed to unfavorable geometry in the thiacy

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