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147117-72-4

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147117-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 147117-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,1,1 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 147117-72:
(8*1)+(7*4)+(6*7)+(5*1)+(4*1)+(3*7)+(2*7)+(1*2)=124
124 % 10 = 4
So 147117-72-4 is a valid CAS Registry Number.

147117-72-4Relevant articles and documents

Pyrrolidylthiocarbapenem derivative

-

, (2008/06/13)

A pyrrolidylthiocarbapenem derivative represented by Formula I is provided: STR1 wherein R1 is hydrogen or lower alkyl; R2, R3 and R4 are hydrogen, lower alkyl which can be substituted or an amino protecting group independently, or R2 and R3 together with a nitrogen atom to which R2 and R3 are bonded form a saturated or unsaturated cyclic group, or R2 and R4, or R3 and R4 together with two nitrogen atoms and one sulfur atom in the sufamide group form a saturated or unsaturated cyclic group; each cyclic group can further include at least one atom selected from the group consisting of oxygen, sulfur and nitrogen, and each cyclic group can be substituted; X1 is hydrogen or a hydroxy protecting group; X2 is hydrogen, a carboxy protecting group, an ammonio group, an alkali metal or an alkaline-earth metal; and Y2 is hydrogen or an amino protecting group.

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